2015 Lexus GS350 ignition

590What to do if... (Troubleshooting)
GS350_OM_OM30F69U_(U)
●Did you press the engine switch while firmly depressing the
brake pedal? (P. 177)
●Is the shift lever in P? ( P. 180)
●Is the electronic key anywhere detectable inside the vehicle?
( P. 110)
●Is the steering wheel unlocked? ( P. 181)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way.
( P. 521)
●Is the battery discharged? ( P. 523)
●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. 517)
●It is locked automatically to prevent theft of the vehicle.
(P. 180)
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

591What to do if... (Troubleshooting)
GS350_OM_OM30F69U_(U)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat can-
not be operated if the window lock switch is pressed. (P. 151)
●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. 180)
●The seat belt remind er light is flashing
Are the driver and the front passenger wearing the seat belts?
( P. 471)
●The parking brake indicator is on
Is the parking brake released? ( P. 1 9 2 )
Depending on the situation, ot her types of warning buzzer may
also sound. ( P. 468, 478)
The windows do not open or close by operating the power win-
dow switches
The engine switch is turned off automatically
A warning buzzer sounds during driving

592What to do if... (Troubleshooting)
GS350_OM_OM30F69U_(U)
●Did anyone inside the vehicle open a door during setting the
alarm?
The sensor detects it and the alarm sounds. ( P. 7 2 )
To stop the alarm, turn the engi ne switch to IGNITION ON mode
or start the engine.
●Is the electronic key left insid e the vehicle or the moon roof
opened?
Check the message on the multi-information display.
( P. 4 7 8 )
●When a warning light turns on or a warning message is dis-
played, refer to P. 468, 478.
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

598Alphabetical index
GS350_OM_OM30F69U_(U)
Emergency, in case ofIf a warning buzzer sounds................................................. 468
If a warning light turns on.............. 468
If a warning message is displayed ........................................478
If the electronic key does not operate properly ....... 520
If the engine will not start................. 515
If the parking brake cannot be released ......................... 518
If the shift lever cannot be shifted from P ............. 517
If the vehicle battery is discharged .........................................523
If you have a flat tire ......................... 502
If you think something is wrong.............................................. 466
If your vehicle becomes stuck ..................................................... 530
If your vehicle has to be stopped in an emergency ......... 459
If your vehicle needs to be towed ...................................... 460
If your vehicle overheats ................ 527
Emergency flashers ............................. 458
Engine Accessory mode................................. 178
Compartment..................................... 395
Engine switch ......................................... 177
Hood ........................................................392
How to start the engine .................... 177
Identification number ...................... 535
If the engine will not start................. 515
Ignition switch (engine switch) .................................. 177
Overheating ......................................... 527 Engine compartment cover............. 396
Engine coolant ...................................... 400
Capacity.................................................538
Checking .............................................. 400
Preparing and checking before winter .................................... 283
Engine coolant temperature gauge .......................................................... 81
Engine immobilizer system ..................70
Engine oil ..................................................397 Capacity.................................................536
Checking ............................................... 397
Oil level warning message ........... 487
Oil pressure warning message........................... 479
Preparing and checking before winter .................................... 283
Engine oil maintenance data ........... 382
Engine switch ........................................... 177
Enhanced VSC ..................................... 248
EPS (Electric Power Steering) ..............249 Function .................................................. 249
Warning light ....................................... 469
Warning message.............................483
Event data recorder (EDR)................... 10

600Alphabetical index
GS350_OM_OM30F69U_(U)
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ........................................ 142
Headlights .................................................196 Adaptive Front-lighting System (AFS) .................................... 198
Discharge headlights precautions ....................................... 455
Headlight leveling warning message ...........................482
Light switch ............................................ 196
Replacing light bulbs ........................453
Wattage ..................................................543
Headlights aim ........................... 440, 584
Head-up display....................................... 92
Heaters Air conditioning system ..................299
Heated steering wheel ....................345
Seat heaters .......................................... 347
Outside rear view mirrors ............. 324
Hill-start assist control ........................ 256
Horn ............................................................ 195
Hood .......................................................... 392 Open ........................................................392
Warning message ............................ 485
Hooks Cargo hooks ........................................ 337
Coat hooks .......................................... 356
Retaining hooks (floor mat) ............. 26
Luggage hook ..................................... 337
Utility hook ........................................... 358 I/M test ..................................................... 388
Identification........................................... 535
Engine .....................................................535
Vehicle ....................................................535
Ignition switch (engine switch) ......... 177
Illuminated entry system ................... 329
Immobilizer system .................................70
Indicators ..................................................... 79
Initialization Maintenance ..................................... 382
Moon roof ............................................... 157
Power windows.................................... 152
Tire pressure warning system .................................410
Initiators (tire pressure warning system) .................................. 416
Inside door handle lights .................... 327
Inside rear view mirror......................... 146
Instrument panel light control ............ 82
Interior lights ........................................... 327
Intuitive parking assist
*
Function*
Warning message..................481, 488
Jack Positioning a floor jack.................... 393
Vehicle-equipped jack ...................503
Jack handle .................................................503
Jam protection function Moon roof ...............................................156
Power trunk opener and closer ............................................ 129
Power windows.................................... 152
HI
J

606Alphabetical index
GS350_OM_OM30F69U_(U)
Steering wheel .........................................145Adjustment ............................................. 145
Audio switches
*
Heated steering wheel ....................345
Power easy access system ............ 136
Steering wheel position memory.............................. 136
Stop lights Replacing light bulbs ........................453
Storage feature ..................................... 330
Stuck If the vehicle becomes stuck ....... 530
Sun visors ................................................. 340
Sun shade Rear...........................................................352
Rear door.............................................. 353
Roof............................................................ 156
Switches AFS OFF switch .................................. 198
Audio remote control switches
*
BSM (Blind spot monitor) switch.................................................... 267
Cruise control switch.........................214
“DISP” button ......................................... 85
Door lock switches .............................123
Driving mode select switch .......... 243
Driving position memory switches .................................................137
Dynamic radar cruise control switch .................................... 218
Emergency flashers switch .......... 458
Engine switch ......................................... 177
Fog light switch .................................... 201
Garage door opener switches .............................................. 359
Heated steering wheel switch....................................................345 HUD (Head-up display)
switches ................................................. 92
Ignition switch........................................ 177
Intuitive parking assist
*
Lexus night view switch...................277
Light switches ........................................196
LKA (Lane-Keeping Assist) switch ................................................... 235
Moon roof switches .......................... 155
Outside rear view mirror switches ................................................148
Paddle shift switches......................... 186
PCS OFF switch ................................ 260
Power door lock switch ................... 123
Power window switches ................... 151
Rear sunshade switch ..................... 352
Rear window and outside rear view mirror defoggers
switch ................................................... 324
Seat heater switches ........................ 347
Seat ventilator switches .................. 347
Snow mode switch ............................ 185
“SOS” button ....................................... 366
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch ..................145
Tire pressure warning reset switch .......................................................411
Trunk closer switch.............................128
Trunk opener switch .......................... 127
Trunk opener main switch ..............128
Vehicle-to-vehicle distance button ..................................................... 221
VSC OFF switch ...............................250
Window lock switch ........................... 151