2019 Lexus GS F Owner's Manuals

577What to do if... (Troubleshooting)
GS F_OM_OM30G90U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 197)
●Is the shift lever in P? ( P. 199)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 150)
●Is the steering wheel unlocked? ( P. 199)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 502)
●Is the battery discharged? ( P. 504)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 208)
●It is locked automatically to prevent theft of the vehicle. ( P. 199)
●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. 175)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 199)
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
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

578What to do if... (Troubleshooting)
GS F_OM_OM30G90U_(U)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 436)
●The parking brake indicator is on
Is the parking brake released? ( P. 211)
Depending on the situation, other types of warning buzzer may also sound.
( P. 434, 441)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 74)
To stop the alarm, turn the engine switch to 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. 441)
●When a warning light turns on or a warning message is displayed, refer to
P. 434, 441.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

579What to do if... (Troubleshooting)
GS F_OM_OM30G90U_(U)
●Vehicles with spare tire
Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 472)
●Vehicles without spare tire
Stop the vehicle in a safe place and repair the flat tire temporarily with the
emergency tire puncture repair kit. ( P. 483)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
( P. 515)
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

580Alphabetical index
GS F_OM_OM30G90U_(U)
Alphabetical index
A/C ............................................................. 310Air conditioning filter....................... 408
Changing the rear seat settings ...................................................317
Front automatic air conditioning system ................................................... 310
Micro dust and pollen filter ............ 316
Rear air conditioning system..........321
S-FLOW mode ..................................... 311
ABS (Anti-lock Brake System)....... 289 Function ................................................. 289
Warning light .......................................434
Warning message .............................. 441
Active Sound Control (ASC) ...........215
Adaptive Front-lighting System (AFS) ........................................................ 217
Adaptive Variable Suspension system (AVS)...................................... 290
AFS (Adaptive Front-lighting System) .................................................... 217
Air conditioning filter ..........................408
Air conditioning system ...................... 310 Air conditioning filter....................... 408
Changing the rear seat settings ...................................................317
Front automatic air conditioning system ................................................... 310
Micro dust and pollen filter ............ 316
Rear air conditioning system..........321
S-FLOW mode ..................................... 311 Airbags .......................................................... 41
Airbag operating conditions .......... 48
Airbag precautions for your child ....................................... 44
Airbag warning light ........................ 434
Correct driving posture .................... 34
Curtain shield airbag operating conditions ....................... 48
Curtain shield airbag precautions .......................................... 46
Front passenger occupant classification system......................... 52
General airbag precautions ........... 44
Locations of airbags.............................. 41
Modification and disposal of airbags................................................47
Side airbag operating conditions ............................................. 48
Side airbag precautions .................... 44
Side and curtain shield airbags operating conditions ....................... 48
Side and curtain shield airbags precautions .......................................... 44
SRS airbags ............................................... 41
Alarm ............................................................ 74 Alarm ...........................................................74
Warning buzzer....................... 434, 441
Anchor brackets.......................................63
Antennas (smart access system with push-button start) .....................150
Anti-lock Brake System (ABS) ...... 289 Function .................................................. 289
Warning light ....................................... 434
Warning message............................... 441
A

581Alphabetical index
GS F_OM_OM30G90U_(U)
Approach warning............................... 266
Armrest .................................................... 340
Armrest door ......................................... 343
ASC (Active Sound Control) ...........215
Ashtrays.................................................... 339
Assist grips .............................................. 344
Audio input
*
Audio system*
Automatic headlight leveling system ..................................................... 218
Automatic light control system.........216
Automatic transmission ..................... 202 If the shift lever cannot be shifted from P .................................. 208
M mode ................................................. 205
Paddle shift switches ........................204
AUX port
*
Auxiliary boxes ...................................... 335
AVS (Adaptive Variable Suspension system).......................... 290
Back-up lights Replacing light bulbs ........................420
Battery....................................................... 390
Battery checking................................... 390 If the vehicle battery is discharged ........................................ 504
Preparing and checking before winter .................................................... 297
Warning light .......................................434 Blind Spot Monitor (BSM) ................ 279
Blind Spot Monitor function......... 282
Rear Cross Traffic Alert function................................................ 284
Bluetooth
®*
Brake Fluid ..........................................................389
Parking brake ..........................................211
Warning light ........................... 434, 436
Warning message............................... 441
Brake assist ............................................. 289
Brake Hold................................................ 213
Break-in tips .............................................183
Brightness control Instrument panel light control............................................ 89, 97
BSM (Blind Spot Monitor) ................ 279 Blind Spot Monitor function......... 282
Rear Cross Traffic Alert function................................................ 284
Card key .................................................... 132
Care................................................358, 362 Aluminum wheels ..............................359
Exterior ...................................................358
Interior ..................................................... 362
Seat belts................................................ 363
Cargo capacity ....................................... 194
Cargo hooks .......................................... 336
CD player
*
Chains ....................................................... 299
BC
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

582Alphabetical index
GS F_OM_OM30G90U_(U)
Child restraint system............................ 59Booster seats, definition ....................59
Booster seats, installation.................. 67
Convertible seats, definition ............59
Convertible seats, installation .........65
Front passenger occupant classification system ......................... 52
Infant seats, definition ..........................59
Infant seats, installation .......................65
Installing CRS with LATCH anchors ..................... 64
Installing CRS with seat belts ..........65
Installing CRS with top tether strap .........................68
Child safety ................................................ 58 Airbag precautions .............................. 44
Battery precautions .............. 391, 508
Child restraint system .........................59
How your child should wear the seat belt ................................. 37, 38
Installing child restraints..................... 63
Moon roof precautions....................180
Power window lock switch ............ 175
Power window precautions ........... 177
Rear door child-protectors ........... 140
Removed electronic key battery precautions.................. 411
Seat belt comfort guide ..................... 37
Seat belt extender precautions ......40
Seat belt precautions .......................... 62
Seat heater precautions.................. 324
Trunk precautions............................... 146 Child-protectors .................................... 140
Cleaning .......................................358, 362
Aluminum wheels ..............................359
Exterior ...................................................358
Interior ..................................................... 362
Seat belts................................................ 363
Clock................................................. 87, 339
Coat hooks ..............................................344
Condenser.............................................. 388
Console box ........................................... 333
Console box light ................................. 333
Consumption screen ............................ 128
Cooling system ..................................... 386 Engine overheating ......................... 509
Consumption screen ............................ 127
Cruise control Cruise control ....................................... 271
Dynamic radar cruise control with full-speed range ................... 259
Cup holders............................................ 334
Curtain shield airbags ............................ 42
Customizable features ...................... 545
Daytime running light system............ 217
Defogger Front windshield...................................316
Outside rear view mirrors ..............316
Rear window..........................................316
Differential Front differential ................................. 526
Rear differential................................... 527
D

583Alphabetical index
GS F_OM_OM30G90U_(U)
Dimensions .............................................. 518
Dinghy towing..........................................196
Display12.3-inch display................................ 308
Drive information ..................... 102, 109
Dynamic radar cruise control with full-speed range ....................259
Energy monitor ..................................... 127
LKA (Lane-Keeping Assist) .........253
Multi-information display .....100, 108
Trip information ............................ 78, 92
Warning message .............................. 441
Do-it-yourself maintenance ............... 371
Door courtesy lights Location ..................................................329
Door lock Doors .........................................................137
Smart access system with push-button start ............................. 150
Wireless remote control ..................137
Doors........................................................... 137 Automatic door locking and unlocking system.................... 140
Door glasses ......................................... 175
Door lock ................................................ 139
Open door warning buzzer............ 151
Open door warning light...............436
Outside rear view mirrors ................ 171
Rear door child-protector.............. 140 Drive info 1/Drive info 2/
Drive info 3................................... 105, 116 Drive information...................... 102, 109
Resetting ....................................... 102, 109
Drive-Start Control................... 183, 207
Driver’s seat position memory.......... 160 Driving position memory.................. 161
Memory recall function .................... 162
Power easy access system ............ 160
Driving ........................................................ 182 Break-in tips .......................................... 183
Correct driving posture .................... 34
Driving mode select switch ...........274
Procedures .............................................182
Winter drive tips ................................ 297
DRS (Dynamic Rear Steering) ....... 290 Function .................................................. 290
Warning message............................... 441
DVD player
*
Dynamic radar cruise control with full-speed range Function .................................................. 259
Warning message............................... 441
Dynamic Rear Steering (DRS) ....... 290 Function .................................................. 290
Warning message............................... 441
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

584Alphabetical index
GS F_OM_OM30G90U_(U)
Eco drive mode ......................................274
Eco Driving Indicator............................. 85
Eco driving meter .................................... 92
EDR (Event data recorder) ...................10
Electric Power Steering (EPS) ....... 290Function ................................................. 290
Warning light .......................................435
Warning message .............................. 441
Electronic key ..........................................132 Battery-saving function .................... 152
If the electronic key does not operate properly.............................. 501
Replacing the battery ........................ 410
Emergency, in case of If a warning buzzer sounds...........434
If a warning light turns on...............434
If a warning message is displayed ......................................... 441
If the electronic key does not operate properly ......... 501
If the engine will not start................ 497
If the parking brake cannot be released ....................... 499
If the vehicle battery is discharged ........................................ 504
If you have a flat tire ..............472, 483
If you think something is wrong............................................... 432
If your vehicle becomes stuck ...... 515
If your vehicle has to be stopped in an emergency .............................425
If your vehicle needs to be towed .......................................426
If your vehicle overheats ............... 509 Emergency flashers .............................424
Emergency tire puncture repair
kit ............................................................. 483
Engine Accessory mode ................................ 198
Compartment ..................................... 376
Engine switch ........................................ 197
Hood........................................................ 373
How to start the engine.................... 197
Identification number.......................520
Ignition switch (engine switch.................................... 197
Overheating........................................ 509
Engine compartment cover..............379
Engine coolant ...................................... 386 Capacity................................................. 525
Checking ...............................................386
Preparing and checking before winter .................................... 297
Engine coolant temperature gauge ................................................ 86, 94
Engine immobilizer system .................. 72
Engine oil ...................................................381 Capacity................................................. 522
Checking ................................................ 381
Oil level warning message ............. 441
Oil pressure warning message............................. 441
Preparing and checking before winter .................................... 297
E