2018 Lexus GS350 ignition

578What to do if... (Troubleshooting)
GS350_300_GS F_OM_OM30G34U_(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

584Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Eco drive mode ..................................... 273
Eco Driving Indicator............................. 85
Eco driving meter .................................... 92
EDR (Event data recorder) ...................10
Electric Power Steering (EPS) ....... 289Function ................................................. 289
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 .................................... 296
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 .................................... 296
E

586Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
Fuel filler door ........................................ 228When the fuel filler door cannot be opened ........................ 230
Fuel pump shut off system................. 433
Fuses ............................................................ 412
Garage door opener .......................... 345
Gauges ................................................ 86, 92
Glove box ..................................................331
Glove box light ........................................331
Hands-free system (for cellular phone)
*
HD Radio® system*
Head restraints ........................................165
Headlights .................................................216 Adaptive Front-lighting System (AFS) ..................................... 217
Automatic High Beam system ..... 219
Headlight leveling warning message ............................ 441
Light switch ............................................ 216
Replacing light bulbs ........................420
Headlights aim ............................. 416, 573
Head-up display..................................... 120
Heated steering wheel ....................... 322 Heaters
Air conditioning system ................ 308
Heated steering wheel ................... 322
Seat heaters .......................................... 323
Outside rear view mirrors .............. 314
Hill-start assist control ....................... 288
Hood ..........................................................373 Open ....................................................... 373
Warning message............................... 441
Hooks Cargo hooks ....................................... 334
Coat hooks ........................................... 344
Luggage hook..................................... 334
Retaining hooks (floor mat)..............32
Horn.............................................................168
I/M test ..................................................... 370
Identification............................................. 519 Engine .....................................................520
Vehicle ......................................................519
Ignition switch (engine switch) ......... 197 Auto power off function ...................199
Changing the engine switch modes ................................................... 198
If your vehicle has to be stopped in an emergency.......... 425
Starting the engine ............................. 198
Illuminated entry system ................... 329
Immobilizer system ................................. 72
Indicators ...................................................... 81
G
H
I

594Alphabetical index
GS350_300_GS F_OM_OM30G34U_(U)
SwitchesASC (Active Sound Control) switch..................................................... 215
Audio remote control switches
*
Automatic High Beam switch ...... 219
Brake Hold..............................................213
Cruise control switch....................................... 258, 270
Door lock switches ............................ 139
Driving mode select switch .......... 273
Driving position memory switches ................................................ 160
Emergency flashers switch ........... 424
Engine switch .........................................197
Garage door opener switches ...............................................345
Heated steering wheel switch.................................................... 322
HUD (Head-up display) switches ................................................ 120
Ignition switch ........................................197
Intuitive parking assist
*
Light switch ............................................ 216
LKA (Lane-Keeping Assist) switch....................................................253
Meter control switches ........... 101, 109
Moon roof switches........................... 178
Outside rear view mirror switches .................................................. 171 Paddle shift switches........................ 204
Parking brake switches ......................211
Power door lock switch ...................139
Power window switches .................. 175
Rear sunshade switch ....................... 341
Rear window and outside
rear view mirror defoggers
switch ..................................................... 314
Seat heater switches ........................ 323
Seat ventilator switches .................. 323
Snow mode switch ........................... 203
“SOS” button ....................................... 352
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch ................. 168
Tire pressure warning reset switch ...................................................395
Trunk closer switch............................. 144
Trunk opener switch .......................... 143
Trunk opener main switch ..............145
TVD (Torque Vectoring Differential) switch ......................... 286
Vehicle-to-vehicle distance switch ................................................... 264
VSC OFF switch ...............................290
Window lock switch .......................... 175
Windshield wipers and washer switch ......................... 223