engine LEXUS RC300 2022 Owners Manual

370What to do if... (Troubleshooting)
RC350/RC300 Owner's Manual
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.314)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.314)
 Is the electronic key battery weak or
depleted? ( P.275)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.127)
 Is the electronic key left inside the
vehicle?
When locking the door s, make sure that
you have the electronic key on your per-
son.
 The function may not operate prop-
erly due to the condition of the radio
wave. ( P.94)
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.91)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.125)
 Is the shift lever in P? ( P.125)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.93)
 Is the steering wheel unlocked?
( P.125)
 Is the electronic key battery weak or
depleted?
In this case, the engine can be started in a
temporary way. ( P.316)
 Is the battery discharged? ( P.317)
 Is the engine switch in IGNITION
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The electronic key does not
operate properly
The doors cannot be locked or
unlocked
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does not start
The shift lever cannot be shifted
from P even if you depress the
brake pedal

371What to do if... (Troubleshooting)
RC350/RC300 Owner's Manual
ON mode?
If you cannot release the shift lever by
depressing the brake pedal with the engine
switch in IGNITION ON mode. (P.130)
It is locked automatically to prevent
theft of the vehicle. ( P.125)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( P.111)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.128)
 The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? (P.297)
The parking brake indicator is on
Is the parking brake released? ( P.135)
Depending on the situation, other types of warning buzzer may also
sound. (
P.293, 301)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(P.57)
Do one of the following to deactivate
or stop the alarm:
 Unlock the doors.
 Open the trunk using the entry
function or wireless remote control.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.301)
When a warning light turns on or a
warning message is displayed, refer
to P.293, 301.
The steering wheel cannot be
turned after the engine is
stopped
The windows do not open or
close by operating the power
window switches
The engine switch is turned off
automatically
A warning buzzer sounds during
driving
An alarm is activated and the
horn sounds
A warning buzzer sounds when
leaving the vehicle
A warning light turns on or a
warning message is displayed

385Alphabetical Index
RC350/RC300 Owner's Manual
CareExterior ........................................................... 240
Interior ............................................................. 243
Seat belts........................................................ 243
Wheels and wheel ornaments............ 240
Cargo capacity...............................................123
Cargo hooks ..................................................227
Center Display ...............................................210
Chains .............................................................. 204
Child restraint system Child seats definition................................... 40
Child seats installation........................ 44, 47
Front passenger occupa nt classification
system ............................................................. 36
Installing a CRS to the front passenger seat ....................................................................42
Installing CRS with LATCH anchors . 48
Installing CRS with top tether strap.....50
Riding with children ..................................... 40
Types of child restraint system installation method ............................................................. 41
Using an anchor bracket .......................... 49
Child safety Airbag precautions.......................................32
Battery precautions ........................262, 319
Child restraint system.......................... 40, 41
Heated steering wheel or seat heater
precautions.................................................. 221
How your child should wear the seat belt ............................................................................ 25
Installing child restraints ............................ 40
Moon roof precautions ..............................114
Power window lock switch........................ 111
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 40
Trunk precautions ........................................ 89
Cleaning Exterior ........................................................... 240
Interior ............................................................. 243
Radar sensor................................................. 156
Seat belts........................................................ 243
Wheels and wheel ornaments............ 240 Clock ........................................................ 66, 228
Clock settings ............................................... 228
Coat hooks..................................................... 228
Compass ......................................................... 235
Condenser ..................................................... 260
Console box .................................................. 226
Consumption screen .................................... 78
Cooling system............................................. 258
Engine overheating...................................320
Cornering lights .............................................. 141 Replacing light bulbs............................... 280
Cruise control Dynamic radar cruise control with full-speed range ........................................174
Cup holders ................................................... 226
Current fuel consumption ...........................73
Curtain shield airbags .................................. 28
Customizable features .............................. 349
D
Daytime running light system .................. 140
Daytime running lights Replacing light bulbs............................... 280
Defogger Outside rear view mirrors....................... 217
Rear window .................................................. 217
Windshield ...................................................... 217
Differential Front differential oil..................................... 331
Rear differential oil...................................... 331
Dimension ...................................................... 326
Dinghy towing................................................. 124
Display Center Display ............................................. 210
Drive information .......................................... 73
LDA (Lane Departure Alert with steering control) ......................................................... 169
Multi-information display ............................ 71
Warning messages.................................. 303
Distance until next engine oil change .... 70
Do-it-yourself maintenance .....................247
Door courtesy lights ................................... 223

386Alphabetical Index
RC350/RC300 Owner's Manual
Door lockDoors .................................................................. 86
Smart access system with push-button start ................................................................... 93
Wireless remote control........................... 84
Doors Automatic door lock ing and unlocking
system .............................................................88
Door glasses ................................................... 110
Door lock.......................................................... 86
Open door warning buzzer87, 88, 297
Open door warning light ...................... 297
Outside rear view mirrors ..................... 108
Drive distance ...................................................73
Drive info 1/Drive info 2/Drive info 3.....73
Drive information ............................................73
Driver’s seat position memory Driving position memory........................ 100
Memory recall function ............................102
Power easy access system .................... 100
Drive-start control ......................................... 117
Driving Break-in tips .....................................................117
Correct driving posture .............................23
Driving mode select switch ....................196
Procedures ...................................................... 116
Winter drive tips......................................... 203
Driving assist system information display ..............................................................................76
Driving information display .........................73
Driving position memory........................... 100 Memory recall function ............................102
Power easy access system .................... 100
Driving range ....................................................73
DRS (Dynamic Rear Steering) ................199
Dynamic radar cruise control Warning message...................................... 301
Dynamic radar cruise control with full-speed range .......................................... 174 Warning message........................................ 181
Dynamic Rear Steering (DRS) ................199E
Eco Driving Indicator.....................................74
Eco Driving Indicator Light .........................74
EDR (Event data recorder) ............................7
Elapsed time ......................................................73
Electric Power Steering (EPS) ................199 Warning light ...............................................295
Electronic key .................................................. 82 Battery-saving function.............................. 94
If the electronic key does not operate properly ........................................................ 315
Replacing the battery ............................... 275
Emergency flashers .................................... 284
Emergency, in case of If a warning buzzer sounds...................293
If a warning light turns on.......................293
If a warning message is displayed...... 301
If the battery is discharged ......................317
If the electronic key does not operate properly ........................................................ 315
If the engine will not start..........................312
If the fuel filler do or cannot be opened
............................................................................314
If the vehicle is submerged or water on the road is rising ..................................... 285
If you have a flat tire ................................. 305
If you lose your keys ...................................314
If you think something is wrong............291
If your vehicle becomes stuck ............. 324
If your vehicle has to be stopped in an emergency .................................................284
If your vehicle needs to be towed ..... 287
If your vehicle overheats ........................320
Engine ACCESSORY mode................................ 127
Compartment..............................................255
Engine switch ................................................ 125
Fuel pump shut off system..................... 292
Hood ................................................................253
How to start the engine ........................... 125
Identification number ............................... 327

387Alphabetical Index
RC350/RC300 Owner's Manual
If the engine will not start ......................... 312
If your vehicle has to be stopped in an
emergency ................................................ 284
Ignition switch (engine switch) .............125
Overheating................................................. 320
Tachometer ..................................................... 66
Engine coolant Capacity .........................................................330
Checking .......................................................258
Preparing and checking before winter......................................................................... 203
Engine coolant temperature gauge ....... 66
Engine immobilizer system ........................ 56
Engine oil Capacity ......................................................... 328
Checking ....................................................... 256
Preparing and checking before winter......................................................................... 203
Warning light ............................................... 294
Engine oil maintenance data .................. 258
Engine oil pressure gauge ...........................74
Engine oil temperature gauge ...................74
Engine switch ..................................................125 Auto power off function ...........................128
Changing the engine switch modes.. 127
If your vehicle has to be stopped in an
emergency ................................................ 284
EPS (Electric Power Steering) ................199 Warning light ............................................... 295
Event data recorder (EDR) ............................7
F
First-aid kit storage belt .............................227
Flat tire Tire pressure warning system ............. 266
Vehicles with a spare tire ..................... 305
Floor mats ...........................................................22
Fluid Automatic transmission ............................331
Brake.................................................... 260, 332
Washer ........................................................... 262
Footwell light ................................................. 223 Front passenger occupant classification
system .............................................................. 36
Front position lights Wattage ..........................................................336
Front seats Adjustment ....................................................... 97
Cleaning ......................................................... 243
Correct driving posture ............................ 23
Driving position memory ........................ 100
Head restraints............................................. 103
Memory recall function............................ 102
Power easy access system .................... 100
Seat heaters .................................................... 221
Seat position memory .............................. 100
Seat ventilators .............................................. 221
Front side marker light Light switch .................................................... 140
Front turn signal lights Replacing light bulbs............................... 280
Turn signal lever ...........................................134
Wattage ..........................................................336
Fuel Capacity .........................................................328
Fuel gauge........................................................ 66
Fuel pump shut off system..................... 292
Information .................................................... 337
Refueling.......................................................... 153
Type ..................................................................328
Warning light ............................................... 297
Fuel consumption Average fuel economy .............................. 73
Current fuel consumption ........................ 73
Fuel filler door If the fuel filler do or cannot be opened
............................................................................314
Refueling.......................................................... 153
Fuel gauge ......................................................... 66
Fuel pump shut off system........................ 292
Fuses ..................................................................276
G
Garage door opener ................................. 230

388Alphabetical Index
RC350/RC300 Owner's Manual
Gauges ............................................................... 66
Gear Position....................................................75
G-force................................................................74
Glove box ....................................................... 225
Glove box light ............................................. 226
H
Head restraints .............................................. 103
Headlight aim ................................................ 278
HeadlightsAutomatic High Beam system.............. 142
Light switch .................................................... 140
Replacing light bulbs................................280
Wattage.......................................................... 336
Heated steering wheel ................................ 221
Heaters Automatic air conditioning system ..... 213
Heated steering wheel.............................. 221
Outside rear view mirrors ...................... 217
Seat heaters .................................................... 221
High mounted stoplight Replacing light bulbs................................280
Hill-start assist control .................................199
Hood Open ............................................................... 253
Hooks Cargo hooks.................................................227
Coat hooks ................................................... 228
Retaining hooks (floor mat)......................22
Horn ....................................................................107
I
I/M test ............................................................ 250
Identification Engine ............................................................. 327
Vehicle ............................................................ 326
Ignition switch (engine switch).................125 Auto power off function ...........................128
Changing the engine switch modes.. 127
If your vehicle has to be stopped in an
emergency ................................................ 284 Illuminated entry system ........................... 224
Indicators ........................................................... 64
Initialization
Items to initialize ........................................ 358
Maintenance.................................... 246, 258
Power windows ............................................. 110
Tire pressure warning system ............. 267
Inside rear view mirror ................................107
Instrument panel light control ................... 70
Intercooler...................................................... 260
Intercooler coolant Capacity ........................................................ 330
Checking ...................................................... 258
Interior lights.................................................. 223 Front interior light ...................................... 223
Rear interior light........................................ 223
Intuitive parking assist Warning message ...................................... 185
J
JackPositioning a floor jack ............................253
Vehicle-equipped jack .......................... 305
Jack handle .................................................... 305
Jam protection function Moon roof ........................................................ 113
Power windows ............................................. 110
K
Keyless entrySmart access system with push-button start ................................................................... 93
Wireless remote control ...........................84
Keys Battery-saving function.............................. 94
Electronic key ................................................. 82
Engine switch ................................................ 125
If the electronic key does not operate properly ........................................................ 315
If you lose your keys ...................................314
Key number plate ......................................... 82

390Alphabetical Index
RC350/RC300 Owner's Manual
Moon roofDoor lock linked moon roof operation............................................................................ 113
Jam protection function............................. 113
Operation..........................................................112
Multi-information display .............................. 71 Audio system-linked display................... 76
Boost gauge.....................................................74
Drive information ...........................................73
Drive information 1/Drive information 2/Drive information 3..............................73
Driving assist system information display ............................................................................ 76
Dynamic radar cruise control ............... 174
Eco Driving Indicator ..................................74
Engine oil pressure gauge ........................74
Engine oil temperature gauge ................74
Gear Position ................................................. 75
G-force...............................................................74
LDA (Lane Departure Alert with steering control) ..........................................................169
Menu icons .......................................................72
Meter control switches ............................... 72
Navigation system-linked display ........ 76
Settings .............................................................. 76
Tire pressure ....................................... 75, 266
Units .................................................................... 75
Vehicle sway warning ................................ 75
Warning message display ....................... 76
Warning messages ................................... 301
N
Navigation system-linked display.............76
Noise from under vehicle .............................. 5
O
“ODO TRIP” switch ...................................... 70
Odometer ......................................................... 70
Odometer and trip meter display “ODO TRIP” switch .................................... 70 Oil
Engine oil........................................................328
Front differential oil..................................... 331
Rear differential oil...................................... 331
Opener Fuel filler door ............................................... 153
Hood ................................................................253
Trunk ...................................................................90
Outer foot lights Location .......................................................... 223
Outside rear view mirrors Adjustment ..................................................... 108
BSM (Blind Spot Monitor)..................... 189
Folding.............................................................. 109
Linked mirror function when reversing........................................................................... 109
Mirror position memory .......................... 100
Outside rear view mirror defoggers . 217
RCTA function ............................................. 189
Outside temperature.................................... 66
Overheating .................................................. 320
P
Paddle shift switches ........................... 131, 132
Panic mode ....................................................... 84
Parking brake Operation ....................................................... 135
Parking brake engaged warning buzzer........................................................................... 136
Warning light .............................................. 298
Warning message ...................................... 136
Parking lights Light switch .................................................... 140
Replacing light bulbs............................... 280
PCS (Pre-Collision System) Function ........................................................... 160
PCS OFF switch ..........................................162
Warning light ...............................................296
Warning message ...................................... 301
Personal lights............................................... 223

392Alphabetical Index
RC350/RC300 Owner's Manual
Seat heaters .................................................... 221
Seat position memory .............................. 100
Seat ventilators.............................................. 221
Seats, Front Child seats/child restraint system installa-tion .................................................................... 40
Sensor Automatic headlight system.................. 140
Automatic High Beam system.............. 142
Inside rear view mirror............................. 108
LDA (Lane Departure Alert with steering control) .......................................................... 167
Radar sensor................................................. 156
Rain-sensing windshield wipers............ 151
Service reminder message ..................... 246
Shift lever Automatic transmission ............................ 129
Side airbags ...................................................... 28
Side marker lights Light switch .................................................... 140
Replacing light bulbs................................280
Side mirrors Adjustment..................................................... 108
BSM (Blind Spot Monitor) .................... 189
Folding ............................................................. 109
Linked mirror function when reversing.......................................................................... 109
Mirror position memory.......................... 100
RCTA function ............................................. 189
Side turn signal lights Replacing light bulbs................................280
Turn signal lever ...........................................134
Wattage.......................................................... 336
Side windows ................................................... 110
Smart access system with push-button start Antenna location........................................... 93
Entry functions................................................ 86
Starting the engine ......................................125
Warning message...................................... 301
Snow mode ....................................................... 131
Snow tires ....................................................... 203 Spare tire.........................................................305
Storage location ........................................ 305
Spark plug ...................................................... 330
Specifications ................................................ 326
Speedometer ................................................... 66
Steering lock Column lock release ................................. 125
Steering lock system warning message........................................................................... 125
Steering wheel Adjustment ..................................................... 106
Heated steering wheel .............................. 221
Meter control switches .............................. 72
Power easy access system .................... 100
Steering wheel position memory........ 100
Stop lights Replacing light bulbs............................... 280
Wattage ..........................................................336
Storage features .......................................... 225
Stuck If the vehicle becomes stuck ................ 324
Sun visors ........................................................ 229
Sunshade Roof...................................................................... 113
Switch ASC (Active Sound Control) dial...... 139
Meter control switches .............................. 72
Switches Activating the Automatic High Beam142
Automatic High Beam system ..............142
Brake Hold switch.......................................137
Door lock switches ..................................... 88
Driving mode select switch ................... 196
Driving position memory switches .... 100
Emergency flashers switch ...................284
Engine switch ................................................ 125
Garage door opener switches...........230
Heated steering wheel switch ............... 221
Ignition switch ............................................... 125
Instrument panel light control switches............................................................................. 70
Light switches ............................................... 140

393Alphabetical Index
RC350/RC300 Owner's Manual
Moon roof switches .....................................112
“ODO TRIP” switch .................................... 70
Outside rear view mirror switches .... 108
Paddle shift switches ......................... 131, 132
Parking brake switch .................................135
PCS OFF switch ..........................................162
Power door lock switch ............................88
Power window switches ........................... 110
Rear window and outside rear view mir- ror defoggers switch .............................. 213
Seat heater switches .................................. 221
Seat ventilator switches ............................ 221
Snow mode switch ...................................... 131
“SOS” button .................................................. 52
Tilt and telescopic steering control switch .......................................................................... 106
Tire pressure warning reset switch ..268
Trunk opener main switch ....................... 92
Trunk opener switch ................................... 90
VSC OFF switch .........................................199
Window lock switch ..................................... 111
Windshield wiper and washer switch145
Windshield wiper de-icer switch ........ 217
T
Tachometer....................................................... 66 Rev indicator ................................................... 68
Rev peak ........................................................... 69
Tail lights Light switch .................................................... 140
Replacing light bulbs................................280
Wattage.......................................................... 336
Theft deterrent system Alarm .................................................................. 57
Engine immobilizer system ..................... 56
Theft prevention labels............................... 59
Tire inflation pressure Maintenance data...................................... 332
Tire inflation pressure display function......................................................................... 266
Warning light ...............................................298 Tire information ............................................ 339
Glossary .........................................................343
Size ......................................................................341
Tire identification number..................... 340
Uniform Tire Quality Grading ............ 342
Tire infration pressure .................................. 75
Tire pressure display .................................. 266
Tire pressure warning system Function ..........................................................266
Initializing........................................................ 267
Installing tire pres sure warning valves
and transmitters....................................... 267
Registering ID codes ...............................269
Warning light .............................................. 298
Tires Chains .............................................................204
Checking ....................................................... 263
If you have a flat tire ................................. 305
Inflation pressure .......................................... 271
Information ....................................................339
Replacing ...................................................... 305
Rotating tires ................................................265
Size .................................................................... 332
Snow tires ......................................................203
Spare tire ....................................................... 305
Tire inflation pressure display function..........................................................................266
Tire pressure warning system .............266
Warning light .............................................. 298
Tools.................................................................. 305
Top tether strap.........................................41, 49
Total load capacity ...................................... 326
Towing Dinghy towing ...............................................124
Emergency towing.................................... 287
Towing eyelet.............................................. 289
Trailer towing .................................................124
TRAC (Traction Control) ..........................199
Traction Control (TRAC) ..........................199
Trailer towing .................................................. 124
Transmission Automatic transmission ............................129

394Alphabetical Index
RC350/RC300 Owner's Manual
Driving mode select switch ....................196
M mode ............................................................ 132
Paddle shift switches ......................... 131, 132
Snow mode ..................................................... 131
Trip meters ........................................................ 70
Trunk .................................................................... 89 Smart access system with push-button start ................................................................... 90
Trunk features...............................................227
Trunk grip ........................................................... 91
Trunk light........................................................... 91
Trunk opener main switch ....................... 92
Trunk opener switch ................................... 90
Wireless remote control............................. 91
Trunk light ............................................................ 91
Turn signal lights Replacing light bulbs................................280
Turn signal lever ...........................................134
Wattage.......................................................... 336
V
Vanity lights.................................................... 229
Vanity mirrors ............................................... 229
Variable Gear Ratio Steering (VGRS)199
VDIM (Vehicle Dynamics Integrated Man-agement)........................................................199
Vehicle data recording ....................................6
Vehicle Dynamics Integrated Manage- ment (VDIM)................................................199
Vehicle identification number ................ 326
Vehicle Stability Control (VSC) ............ 198
Vehicle sway warning display ....................75
Ventilators (seat ventilators)..................... 221
VGRS (Variable Gear Ratio Steering)199
VSC (Vehicle Stabilit y Control) ............ 198
W
Warning buzzer
Open door warning................................. 297
Warning buzzers Approach warning...................................... 179 Brake hold .....................................................299
Brake Override System .........................295
Downshifting ....................................... 132, 133
Drive-Start Control...................................295
Electric power steering...........................295
High coolant temperature.....................293
LDA (Lane Departure Alert with steering
control) ..........................................................167
LDA (Lane Departure Alert) ...............296
Low engine oil pressure.........................294
Open door ............................................. 87, 88
Open window .................................................. 111
Pre-collision braking ................................... 161
Seat belt .......................................................... 297
Warning lights............................................... 293 ABS...................................................................295
Brake hold operated in dicator ...........299
Brake Override System .........................295
Brake system................................................293
Charging system........................................ 294
Drive-Start Control...................................295
Electric power steering...........................295
High coolant temperature.....................293
LDA indicator ..............................................296
Low engine oil pressure.........................294
Low fuel level ............................................... 297
Malfunction indicator lamp ................... 294
Master warning light................................ 298
Open door warning ................................. 297
Parking brake indicator ......................... 298
Pre-collision system..................................296
Seat belt reminder light........................... 297
Slip indicator.................................................296
SRS .................................................................... 294
Tire pressure ............................................... 298
Warning message display............................76
Warning messages ...................................... 301
Washer Checking ....................................................... 262
Preparing and checking before winter..........................................................................203
Switch................................................................ 145