warning LEXUS RC350 2018 Owners Manual

614What to do if... (Troubleshooting)
RC350_RC300 AWD_RC3 00_RC F_U(OM24748U)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 455)
●The parking brake indicator is on
Is the parking brake released? ( P. 222)
Depending on the situation, other types of warning buzzer may also sound.
( P. 453, 460)

●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 80)
Do one of the following to de activate or stop the alarms:
• Unlock the doors.
• Open the trunk using the entry function or wireless remote control.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start the
engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 460)
●When a warning light turns on or a warning message is displayed, refer to
P. 453, 460.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

616
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Alphabetical index
Alphabetical index
A/C ............................................................ 333
Air conditioning filter........................425
Automatic air conditioning system ..................................................333
ABS (Anti-lock Brake System).........312 Warning light .......................................453
Active rear wing.................................... 307
Active Sound Control (ASC).......................................... 223, 224
Adaptive Variable Suspension System.............................313
Air conditioning filter .......................... 425
Air conditioning system ..................... 333 Air conditioning filter........................425
Automatic air conditioning system ..................................................333 Airbags ........................................................ 40
Airbag operating conditions ...........47
Airbag precautions for your child ........................................42
Correct driving posture .....................32
Curtain shield airbag operating conditions ........................47
Curtain shield airbag precautions .......................................... 44
Front passenger occupant classification system........................... 51
General airbag precautions ............42
Locations of airbags............................ 40
Modification and disposal of airbags............................................... 46
Side airbag operating conditions ..............................................47
Side airbag precautions .....................42
Side and curtain shield airbags operating conditions ........................47
Side and curtain shield airbags precautions ..........................42
SRS airbags ............................................. 40
SRS warning light .............................. 453
A

617Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Alarm ............................................................ 80
Anchor brackets ...................................... 60
Antennas (smart access system
with push-button start) ......................156
Anti-lock Brake System (ABS).........312 Warning light .......................................453
Approach warning............................... 275
Armrest .................................................... 356
ASC (Active Sound Control)....... 223, 224
Assist grip ................................................358
Audio system
*
Automatic headlight leveling system .....................................................227 Warning light .......................................454
Automatic High Beam ....................... 228
Automatic light control system....... 225
Automatic transmission .......................213 If the shift lever cannot be shifted from P ............. 219
M mode ................................................... 216
Paddle shift switches ............... 215, 216
Average fuel economy .............................136, 137, 138
Average vehicle speed ........................136 Back-up lights
Replacing light bulbs ....................... 434
Wattage .................................................553
Battery ...................................................... 408 Battery checking ............................... 408
If the vehicle battery is discharged .................................... 522
Preparing and checking before winter.................................................... 320
Warning light ....................................... 453
Blind Spot Monitor (BSM) ............... 290
Brake Fluid .......................................................... 407
Parking brake .......................................222
Warning light ....................................... 453
Brake assist ............................................... 312
Break-in tips ............................................. 193
Brightness control Instrument panel light control.......................................... 94, 100
BSM (Blind Spot Monitor) ............... 290 BSM function ....................................... 293
RCTA function .................................... 297
B
*: Refer to the “NAVIGATIO N AND MULTIMEDIA SYSTEM
OWNER’S MANUAL”.

619Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Cleaning......................................... 376, 381
Aluminum wheels .............................. 377
Exterior....................................................376
Interior ...................................................... 381
Seat belts ............................................... 382
Clock ......................................................... 355
Coat hooks..............................................358
Compass .................................................. 366
Condenser .............................................. 406
Console box ............................................ 351
Cooling system ..................................... 404 Engine overheating...........................526
Cruise control Dynamic radar cruise control..... 268
Cup holders ............................................ 352
Current fuel consumption ....... 108, 122
Curtain shield airbags ........................... 40
Customizable features ....................... 569 Daytime running light system...........226
Defogger
Outside rear view mirrors ............338
Rear window........................................338
Windshield............................................338
Differential Front differential .................................545
Rear differential................................... 546
Dimension ............................................... 536
Dinghy towing ....................................... 206
Display Drive information...................... 108, 122
Dynamic radar cruise control .....268
LDA (Lane Departure Alert with steering control) ................... 265
Multi-information display....... 103, 118
Warning message.............................460
Distance ...........................................108, 122
Do-it-yourself maintenance............... 391
Door courtesy lights Location ................................................. 347
Door lock Doors.........................................................145
Smart access system with push-button start ..............................156
Wireless remote control..................140D

620Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Doors...........................................................145
Automatic door locking and unlocking system.................... 148
Door lock .................................................147
Open door warning buzzer.......... 146
Open door warning light...............454
Outside rear view mirrors .............. 178
Side windows ........................................ 182
Drive info 1/Drive info 2/ Drive info 3 ................................. 108, 122
Drive information ........................ 108, 122 Resetting......................................... 106, 119
Drive-Start Control .................... 193, 218
Driver’s seat position memory ..........166
Driving.........................................................192 Break-in tips .......................................... 193
Correct driving posture .................... 32
Driving mode select switch ........... 301
Procedures ............................................ 192
Winter drive tips ................................ 320
DRS (Dynamic Rear Steering) .........312 Warning message ............................ 460
Dynamic radar cruise control ......... 268
Dynamic Rear Steering (DRS) .........312 Warning message ............................ 460 Eco drive mode.......................................301
Eco Driving Indicator ...................116, 132
Eco Driving Indicator Light......... 111, 129
Eco driving meter ....................................96
EDR (Event data recorder)................... 10
Elapsed time...................................108, 122
Electric Power Steering (EPS) ......... 313
Warning light ....................................... 454
Electronic key .......................................... 140 Battery-saving function ................... 158
If the electronic key does not operate properly ............................. 518
Replacing the battery .......................427
Emergency flashers .............................442
Emergency tire puncture repair kit................................................ 502E

621Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Emergency, in case of
If a warning buzzer sounds...........453
If a warning light turns on...............453
If a warning message is displayed ....................................... 460
If the electronic key does not operate properly ......... 518
If the engine will not start................. 516
If the vehicle battery is discharged ......................................... 522
If you have a flat tire .............489, 502
If you think something is wrong................................................ 451
If your vehicle becomes stuck .....532
If your vehicle has to be stopped in an emergency ..........443
If your vehicle needs to be towed ....................................... 444
If your vehicle overheats ................526
Engine ....................................................... 539 ACCESSORY mode..................... 208
Compartment......................................397
Engine switch .......................................207
Hood ........................................................393
How to start the engine ..................207
Identification number ...................... 538
If the engine will not start................. 516
Ignition switch (engine switch)....207
Overheating .........................................526 Engine coolant ...................................... 404
Capacity................................................. 544
Checking ............................................... 404
Preparing and checking before winter ........................320, 320
Engine coolant temperature gauge ..................................................91, 96
Engine immobilizer system .................. 79
Engine oil ................................................. 400 Capacity.................................................540
Checking .............................................. 400
Preparing and checking before winter ........................320, 320
Engine oil maintenance data ........... 403
Engine oil temperature gauge............96
Engine switch ..........................................207
Enhanced VSC ....................................... 312
EPS (Electric Power Steering) ......... 313 Warning light ....................................... 454
Event data recorder (EDR)................... 10
Expert mode ............................................ 316

622Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
First-aid kit storage belt ..................... 353
Flat tire
Vehicles with a spare tire.............. 489
Vehicles with emergency tire puncture repair kit......................... 502
Floor mats ................................................... 30
Fluid Automatic transmission ................. 545
Brake ........................................................547
Washer ...................................................... 411
Fog lights .................................................. 232 Replacing light bulbs ........................439
Switch....................................................... 232
Footwell light .......................................... 347 Wattage ................................................. 553
Front fog lights ....................................... 232 Replacing light bulbs ........................439
Switch....................................................... 232
Front passenger occupant classification system ..............................51
Front seats .................................................. 161 Adjustment ............................................... 161
Cleaning .................................................. 381
Correct driving posture .................... 32
Driving position memory ................ 166
Head restraints ....................................... 171
Jam protection function ................... 162
Power easy access system ............ 166
Seat heaters ..........................................345
Seat position memory....................... 166
Seat ventilators ....................................346 Front turn signal lights .......................... 221
Replacing light bulbs ........... 434, 439
Turn signal lever ................................... 221
Wattage .................................................553
Fuel............................................................... 241 Capacity.................................................540
Fuel gauge ........................................ 91, 96
Fuel pump shut off system ............ 452
Information............................................554
Refueling .................................................. 241
Type............................................. 540, 554
Warning light .......................................455
Fuel consumption Average fuel economy .......... 108, 122
Current fuel consumption............................ 108, 122
Fuel filler door.......................................... 241 If the fuel filler door cannot be opened ......................... 243
Refueling .................................................. 241
Fuel gauge ...........................................91, 96
Fuel pump shut off system .................452
Fuses...........................................................429
F

623Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Garage door opener .......................... 359
Gauges ................................................. 91, 96
Glove box ................................................. 351
Glove box light ....................................... 351
Head restraints ......................................... 171
Headlight cleaner................................. 233
Headlights ............................................... 225
Automatic High Beam system ..................................................228
Light switch ........................................... 225
Replacing light bulbs ........................439
Heaters Air conditioning system ..................333
Heated steering wheel ....................344
Outside rear view mirrors ............ 338
Seat heaters ..........................................345
Hill-start assist control ..........................312
Hood .......................................................... 393 Open ........................................................393
Hooks Cargo hooks ....................................... 353
Coat hooks .......................................... 358
Retaining hooks (floor mat) .............30
Horn ............................................................. 175 I/M test ..................................................... 390
Identification
Engine .....................................................538
Vehicle .................................................... 537
Ignition switch (engine switch) ........207
Illuminated entry system ................... 348
Immobilizer system ................................. 79
Indicators .....................................................87
Initialization Maintenance ........................... 385, 403
Meter .................................................. 111, 129
Moon roof ...............................................187
Multi-information display.......... 111, 129
Power windows................................... 183
Tire pressure warning system ................................. 413
Initiators (tire pressure warning system) .................................. 418
Inside rear view mirror......................... 176
Instrument panel light control ............................................ 94, 100
Intercooler .............................................. 406
Intercooler coolant.............................. 404 Capacity................................................. 544
Checking ...............................................405
Preparing and checking before winter ........................320, 320
Interior lights .......................................... 348
Intuitive parking assist ........................ 280
G
H
I

624Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Jack
Positioning a floor jack ....................394
Vehicle-equipped jack ......489, 502
Jack handle ................................. 489, 502
Jam protection function Front seats .............................................. 162
Moon roof .............................................. 187
Power windows ................................... 183 Keyless entry
Smart access system with push-button start........... 145, 151
Wireless remote control......... 145, 151
Keys ............................................................. 140 Battery-saving function ................... 158
Electronic key ........................................140
Engine switch ...................................... 207
If the electronic key does not operate properly ......... 518
Key number plate ................................140
Keyless entry ..........................................140
Mechanical key.......................................141
Replacing the battery .......................427
Warning buzzer...................................146
Wireless remote control..................140
Knee airbags ............................................. 40
JK

626Alphabetical index
RC350_RC300 AWD_RC300_RC F_U(OM24748U)
Maintenance
Do-it-yourself maintenance........... 391
General maintenance .....................387
Maintenance data ............................. 536
Maintenance requirements.......... 384
Maintenance system ......................111, 129
Malfunction indicator lamp .............. 453
Master warning light ........................... 455
Meter Changing the display............... 94, 100
Indicators................................................... 87
Instrument panel light control .......................................... 94, 100
Meters..................................................91, 96
Multi-information display ....... 103, 118
Operating the meter control switches ....................................... 106, 119
Settings ...............................................111, 129
Warning lights ........................................86
Warning message ............................ 460
Micro dust and pollen filter ..............338
Mirrors Inside rear view mirror ......................176
Outside rear view mirror defoggers .......................................... 338
Outside rear view mirrors .............. 178
Vanity mirrors ......................................354 Moon roof .................................................186
Door lock linked moon roof operation......................187
Jam protection function....................187
Operation............................................... 186
Multi-information display........... 103, 118 Audio system-linked ................ 103, 118
Drive information...................... 108, 122
Dynamic radar cruise control .....268
“F” content ............................................... 124
G-force .................................................... 127
Lap timer.................................................. 124
LDA (Lane Departure Alert with steering control) ................... 265
Navigation system-linked ..... 103, 118
Settings .............................................. 111, 129 switch settings........................ 111, 129
Switching the display ................106, 119
Torque distribution ............................. 126
Warning message.............................460
Navigation system
*
Noise from under vehicle ........................8
M
N