battery LEXUS RCF 2022 Repair Manual

380What to do if... (Troubleshooting)
RC F 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.329)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.329)
 Is the electronic key battery weak or
depleted? ( P.281)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.130)
 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.100)
 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.97)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.128)
 Is the shift lever in P? ( P.128)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.99)
 Is the steering wheel unlocked?
( P.128)
 Is the electronic key battery weak or
depleted?
In this case, the engine can be started in a
temporary way. ( P.331)
 Is the battery discharged?
( P.332)
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

394Alphabetical Index
RC F Owner's Manual
Alphabetical Index
A
A/CAir conditioning filter ...............................280
Automatic air conditioning system .......211
Micro dust and pollen filter..................... 215
ABS (Anti-lock Brake System)................199 ABS warning light ...................................... 301
Active rear wing.............................................195
Adaptive Variable Suspension System 199
Air conditioning filter .................................280
Air conditioning system Air conditioning filter ...............................280
Automatic air conditioning system .......211
Micro dust and pollen filter..................... 215
Airbags Airbag operating conditions................... 30
Airbag precautions for your child .........32
Correct driving posture .............................23
Curtain shield airbag operating condi-tions .................................................................. 30
Curtain shield airbag precautions ........32
Front passenger occupa nt classification
system ............................................................. 36
General airbag precautions ....................32
Locations of airbags.................................... 28
Modification and disposal of airbags . 35
Side airbag operating conditions ......... 30
Side airbag precautions .............................32
Side and curtain shield airbags operating conditions ...................................................... 30
Side and curtain shield airbags precau- tions ...................................................................32
SRS airbags ..................................................... 28
SRS warning light ....................................... 301
Alarm ................................................................... 58 Warning buzzer........................................ 300
Anchor brackets ...................................... 43, 51
Antennas (smart access system with push-button start)........................................ 98
Anti-lock Brake System (ABS)................199 ABS warning light ...................................... 301 Approach warning........................................ 176
Armrest............................................................ 226
Assist grips ......................................................227
Audio system-linked display ........................81
Automatic air conditioning system ......... 211
Automatic headlight leveling system ....139
Automatic headlight leveling system warning light............................................. 304
Automatic High Beam ............................... 140
Automatic light control system............... 138
Automatic transmission ..............................132 M mode ........................................................... 135
Paddle shift switches ....................... 134, 135
Average fuel economy................................. 75
Average vehicle speed ................................ 75
B
Back-up light Replacing light bulbs................................ 287
Battery Battery checking ........................................269
Charging system warning light.......... 300
If the battery is discharged .................... 332
Preparing and checking before winter..........................................................................203
Blind Spot Monitor (BSM)......................... 179
Brake Brake system warning light ................. 300
Fluid................................................................... 344
Parking brake ................................................137
Brake assist ......................................................199
Break-in tips...................................................... 119
Brightness control Instrument panel light control................. 73
BSM (Blind Spot Monitor)......................... 179
C
Card key ............................................................ 88
Care Exterior......................................238, 247, 251
Interior ............................................................. 243

395Alphabetical Index
RC F Owner's Manual
Seat belts........................................................ 243
Wheels and wheel ornaments............ 239
Cargo capacity...............................................126
Cargo hooks ................................................. 225
Center Display .............................................208
Chains .............................................................. 204
Child restraint system Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 46
Front passenger occupa nt classification
system ............................................................. 36
Installing a CRS to the front passenger seat ................................................................... 44
Points to remember .....................................42
Riding with children ......................................42
Types of child restraint system installation method ........................................................... 43
Using an anchor bracket ............................ 51
Child safety Airbag precautions.......................................32
Battery precautions ......................270, 335
Child restraint system................................. 43
Heated steering wheel or seat heater
precautions.................................................. 219
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................. 116
Power window lock switch...................... 113
Seat belt extender precautions ............. 25
Seat belt precautions ...................................42
Trunk precautions ........................................ 95
Cleaning Exterior .....................................238, 247, 251
Interior ............................................................. 243
Radar sensor..................................................153
Seat belts........................................................ 243
Wheels and wheel ornaments............ 239
Clock ................................................................ 228
Clock settings ............................................... 228
Coat hooks......................................................227
Compass ......................................................... 234
Condenser ..................................................... 268 Console box .................................................. 225
Consumption screen .................................... 83
Cooling system..............................................267
Engine overheating...................................336
Cruise control Dynamic radar cruise control................. 171
Cup holders Front cup holders ...................................... 224
Rear cup holders........................................ 224
Current fuel consumption .......................... 75
Curtain shield airbags .................................. 28
Customizable features .. ............................358
D
Daytime running light system .................. 138
Daytime running lights
Replacing light bulbs................................ 287
Defogger Outside rear view mirrors...................... 215
Rear window ................................................. 215
Windshield ..................................................... 215
Differential Differential oil ...............................................344
Dimension ...................................................... 340
Dinghy towing................................................. 127
Display Center Display ........................................... 208
Drive information .......................................... 75
LDA (Lane Departure Alert with steering control) ......................................................... 166
Multi-information display .......................... 73
Warning message .................................... 308
Do-it-yourself maintenance .................... 256
Door courtesy lights ..................................... 221
Door lock Doors .................................................................. 92
Smart access system with push-button start ...................................................................98
Wireless remote control ...........................90
Doors Automatic door locking and unlocking system.............................................................. 94

396Alphabetical Index
RC F Owner's Manual
Door glasses ....................................................112
Door lock.......................................................... 92
Open door warning buzzer93, 94, 304
Open door warning light ......................304
Outside rear view mirrors ....................... 110
Drive distance ...................................................75
Drive info 1/Drive info 2/Drive info 3.....75
Drive information ............................................75
Driver’s and front passenger’s seat belt reminder light............................................. 304
Driver’s seat position memory Driving position memory........................ 105
Memory recall function ........................... 106
Power easy access system .................... 105
Drive-start control ......................................... 119
Driving Break-in tips .................................................... 119
Correct driving posture .............................23
Driving mode select switch .................... 192
Procedures ...................................................... 118
Winter drive tips......................................... 203
Driving information display .........................75
Driving position memory........................... 105 Memory recall function ........................... 106
Power easy access system .................... 105
Driving range ....................................................75
Driving support system information display ...............................................................................81
Dynamic radar cruise control ................... 171 Warning message.......................................178
E
Eco Driving Indicator.....................................76
Eco Driving Indicator Light .........................76
EDR (Event data recorder) ........................... 8
Elapsed time ......................................................75
Electric Power Steering (EPS) ................199Electric power steer ing system warning
light ................................................................ 302
Electronic key .................................................. 88 Battery-saving function ............................. 99 If the electronic key does not operate
properly ...................................................... 330
Replacing the battery ................................ 281
Emergency flashers .................................... 292
Emergency tire puncture ............................ 311
Emergency, in case of If a warning buzzer sounds.................. 300
If a warning light turns on...................... 300
If a warning message is displayed.... 308
If the battery is discharged .................... 332
If the electronic key does not operate properly ...................................................... 330
If the engine will not start........................ 327
If the fuel filler do or cannot be opened
..........................................................................329
If the vehicle is submerged or water on the road is rising ...................................... 293
If you have a flat tire ........................... 311, 321
If you lose your keys .................................329
If you think something is wrong......... 298
If your vehicle becomes stuck ............ 338
If your vehicle has to be stopped in an emergency ................................................. 292
If your vehicle needs to be towed .....295
If your vehicle overheats ........................336
Engine ACCESSORY mode............................... 130
Compartment..............................................265
Engine switch ................................................ 128
Fuel pump shut off system.....................299
Hood ................................................................ 262
Identification number .................................341
If the engine will not start........................ 327
If your vehicle has to be stopped in an emergency ................................................. 292
Ignition switch (engine switch)............. 128
Overheating .................................................336
Tachometer ..................................................... 66
Engine coolant Capacity ......................................................... 342
Checking ....................................................... 267

398Alphabetical Index
RC F Owner's Manual
Heated steering wheel ................................219
HeatersAutomatic air conditioning system .......211
Heated steering wheel.............................. 219
Outside rear view mirrors ......................215
Rear window ..................................................215
Seat heaters .................................................... 219
High mounted stoplight Replacing light bulbs................................ 287
Hill-start assist control .................................199
Hood Open ............................................................... 262
Hooks Cargo hooks................................................ 225
Coat hooks ....................................................227
Retaining hooks (floor mat)......................22
Horn ................................................................... 109
I
I/M test ............................................................ 259
Identification Engine ...............................................................341
Vehicle ............................................................340
Ignition switch (engine switch).................128 Auto power off function ............................ 131
Changing the engine switch modes. 130
If your vehicle has to be stopped in an
emergency ................................................ 292
Illuminated entry system ........................... 222
Indicators ........................................................... 63
Initialization Items to initialize ......................................... 367
Maintenance ................................................ 255
Power windows..............................................112
Tire pressure warning system ............. 275
Inside rear view mirror ............................... 109
Instrument panel light control ....................73
Interior lights.................................................... 221 Front interior light ........................................ 221
Rear interior light ......................................... 221
Intuitive parking assist Function ........................................................... 186 Warning message ...................................... 188
J
Jack
Positioning a floor jack ............................ 263
Vehicle-equipped jack ................. 312, 322
Jack handle .......................................... 312, 322
Jam protection function Moon roof ........................................................ 115
Power windows ............................................. 112
K
Keyless entrySmart access system with push-button start ...................................................................98
Wireless remote control ...........................90
Keys Battery-saving function.............................. 99
Electronic key ................................................ 88
Engine switch ................................................ 128
If the electronic key does not operate properly ...................................................... 330
If you lose your keys .................................329
Key number plate ........................................ 88
Keyless entry ..........................................92, 98
Mechanical key ............................................. 88
Replacing the battery ................................ 281
Warning buzzer ............................................ 99
Wireless remote control ...........................90
Knee airbags .................................................... 28
L
Lane Departure Alert LDA indicator ............................................. 303
Lane Departure Alert with steering control (LDA) Operation ....................................................... 164
Warning message ...................................... 169
Language (multi-informa tion display) .....81
LATCH anchors ............................................. 49

401Alphabetical Index
RC F Owner's Manual
PCS warning light .....................................303
R
Radar cruise control (dynamic radar cruise control) ............................................................ 171
Radiator ........................................................... 268
RCTA Function ............................................................ 179
Rear Cross Traffic Alert (RCTA) ........... 179
Rear passengers’ seat belt reminder lights
..........................................................................305
Rear seats Seat heaters .................................................... 219
Seat ventilators.............................................. 219
Rear side marker lights Light switch .................................................... 138
Rear turn signal lights Replacing light bulbs................................ 287
Turn signal lever ...........................................136
Wattage.......................................................... 346
Rear view mirror Inside rear view mirror............................. 109
Outside rear view mirrors ....................... 110
Rear window defogger ...............................215
Refueling Capacity ...........................................................341
Fuel types.........................................................341
If the fuel filler door cannot be opened......................................................................... 329
Opening the fuel tank cap ..................... 150
Remote Touch .............................................. 206
Replacing Electronic key battery................................281
Fuses ................................................................ 283
Light bulbs.....................................................286
Tires .................................................................... 321
Resetting the message indicating mainte- nance is required ...................................... 255
Rev indicator .................................................... 70
Rev peak............................................................... 71
S
Seat belt reminder light................. 304, 305
Seat belts............................................................ 24 Automatic Locking Retractor................. 26
Child restraint system installation ......... 43
Cleaning and maintaining the seat belt.......................................................................... 243
Driver’s and front pa ssenger’s seat belt
reminder light and buzzer ................ 304
Emergency Locking Retractor .............. 26
How to wear your seat belt ..................... 25
How your child should wear the seat belt
............................................................................. 25
Pregnant women, proper seat belt use ............................................................................. 24
Rear passengers’ seat belt reminder lights and buzzer ................................... 305
Seat belt extender......................................... 25
Seat belt pretensioners .............................. 27
SRS warning light........................................ 301
Seat heaters .....................................................219
Seat position memory................................. 105
Seat ventilators ...............................................219
Seating capacity.............................................126
Seats Adjustment ..................................................... 103
Child seats/child restraint system installa-tion .................................................................... 42
Cleaning ......................................................... 243
Driving position memory ........................ 105
Power easy access system .................... 105
Properly sitting in the seat ........................ 23
Seat heaters ....................................................219
Seat position memory .............................. 105
Seat ventilators ..............................................219
Sensor Automatic headlight system .................. 138
Automatic High Beam system ............. 140
Inside rear view mirror ............................... 110
LDA (Lane Departure Alert with steering control) ......................................................... 164

405Alphabetical Index
RC F Owner's Manual
Washer .............................................................143
Windshield wiper de-ice r ..........................215
Windshield wipers ........................................143
Winter driving tips....................................... 203
Wireless remote control Battery-Saving Function ........................... 99
Locking/Unlocking ..................................... 90
Replacing the battery.................................281
For information regarding the equipment listed below, refer to
the “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S
MANUAL”.
· Navigation system
· Audio/visual system
· Lexus parking assist monitor