2015 Lexus GS350 warning light

5127-2. Steps to take in an emergency
GS350_OM_OM30F69U_(U)
■The compact spare tire
●The compact spare tire is identified by the label “TEMPORARY USE ONLY” on
the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare tire.
( P. 5 4 1 )
■When using the compact spare tire
As the compact spare tire is not equipped with a tire pressure warning valve and
transmitter, low inflation pressure of the spare tire will not be indicated by the tire
pressure warning system. Also, if you replace the compact spare tire after the tire
pressure warning light comes on, the light remains on.
■When the compact spare tire is equipped
The vehicle becomes lower when driving wi th the compact spare tire compared to
when driving with standard tires.
■If you have a flat rear tire on a road covered with snow or ice (vehicles with front
and rear tires of the same size)
Install the compact spare tire on one of th e front wheels of the vehicle. Perform the
following steps and fit tire chains to the rear tires:
Replace a front tire with the compact spare tire.
Replace the flat rear tire with the tire removed from the front of the vehicle.
Fit tire chains to the rear tires.
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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

594Alphabetical index
GS350_OM_OM30F69U_(U)
Alphabetical index
A/C ............................................................ 299Air conditioning filter........................ 423
Changing the rear seat settings .................................................... 311
Front automatic air conditioning system ..................................................299
Humidity sensor .................................. 315
Micro dust and pollen filter ............ 313
Rear air conditioning system......... 319
S-FLOW mode ................................... 313
ABS (Anti-lock Brake System)....... 248 Function ..................................................248
Warning light ...................................... 469
Warning message .............................482
Adaptive Front-lighting system (AFS) ....................................................... 198
Adaptive Variable Suspension system (AVS) ............. 249
AFS (Adaptive Front-lighting System) ................................................... 198
Air conditioning filter .......................... 423
Air conditioning system ..................... 299 Air conditioning filter........................ 423
Changing the rear seat settings .................................................... 311
Front automatic air conditioning system ..................................................299
Humidity sensor .................................. 315
Micro dust and pollen filter ............ 313
Rear air conditioning system......... 319
S-FLOW mode ................................... 313 Airbags .........................................................36
Airbag operating conditions .......... 44
Airbag precautions for your child ....................................... 39
Airbag warning light ........................ 469
Correct driving posture .................... 28
Curtain shield airbag operating conditions ....................... 44
Curtain shield airbag precautions ............................................ 41
Front passenger occupant classification system..........................47
General airbag precautions ........... 39
Locations of airbags............................ 36
Modification and disposal of airbags............................................... 43
Side airbag operating conditions ............................................. 44
Side airbag precautions .................... 39
Side and curtain shield airbags operating conditions ....................... 44
Side and curtain shield airbags precautions ......................... 39
SRS airbags ............................................. 36
Alarm ............................................................ 72 Alarm ........................................................... 72
Warning buzzer.................... 468, 478
Anchor brackets...................................... 59
Antennas (smart access system with push-button start) .....................109
Anti-lock Brake System (ABS) ...... 248 Function .................................................. 248
Warning light ....................................... 469
Warning message............................. 482
Approach warning (dynamic radar cruise control).........................224
Armrest ...................................................... 351
A

595Alphabetical index
GS350_OM_OM30F69U_(U)
Armrest door ......................................... 355
Ashtrays.................................................... 342
Assist grip ................................................ 357
Audio input
*
Audio system*
Automatic headlight leveling system ......................................................199
Automatic light control system ......................................................196
Automatic transmission ...................... 184 If the shift lever cannot be shifted from P ............. 517
M mode ................................................... 187
Paddle shift switches ......................... 186
AUX port
*
Auxiliary boxes ...................................... 336
AVS (Adaptive Variable Suspension system).......................... 249 Back-up lights
Replacing light bulbs ....................... 452
Wattage ................................................. 543
Battery ...................................................... 404 Battery checking ................................ 404
If the vehicle battery is discharged .................................... 523
Preparing and checking before winter.................................................... 283
Warning light ....................................... 469
Blind Spot Monitor (BSM) ................ 267
Bluetooth
®*
Brake Fluid ..........................................................540
Parking brake ........................................ 192
Warning light .......................... 468, 470
Warning message............................. 478
Brake assist ............................................. 248
Break-in tips ............................................. 162
Brightness control Instrument panel light control ........ 82
BSM (Blind Spot Monitor) ................ 267 Blind Spot Monitor function........... 271
Rear Cross Traffic Alert function.................................................274
B
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

597Alphabetical index
GS350_OM_OM30F69U_(U)
Daytime running light system ............199
DefoggerFront windshield ................................ 309
Outside rear view mirrors ............. 324
Rear window ........................................ 324
Differential Front differential ................................. 540
Rear differential .................................. 540
Dimension ............................................... 534
Dinghy towing.......................................... 176
Display 12.3-inch display.................................295
Dynamic radar cruise control....... 218
Lexus night view .................................278
LKA (Lane-Keeping Assist) ......... 237
Multi-information display ..................84
Trip information .................................... 85
Warning message .............................478
Do-it-yourself maintenance .............389
Door courtesy lights Location .................................................. 327
Wattage ..................................................543
Doors...........................................................123 Automatic door locking and unlocking system.................... 125
Door glasses ........................................... 151
Door lock .................................................123
Open door warning buzzer.............. 111
Open door warning light.................471
Outside rear view mirrors .............. 148
Rear door child-protector...............124 Driver’s seat position memory.......... 136
Driving position memory................. 137
Memory recall function ....................139
Power easy access system .............136
Driving ........................................................ 160 Break-in tips ........................................... 162
Correct driving posture .................... 28
Driving mode select switch .......... 243
Procedures ............................................ 160
Winter drive tips ................................ 283
DRS (Dynamic Rear Steering) ........249 Function .................................................. 249
Warning message............................. 484
DVD player
*
Dynamic radar cruise control ........... 218 Function ....................................................218
Warning message..................481, 488
Dynamic Rear Steering (DRS) ........249 Function .................................................. 249
Warning message............................. 484
Eco drive mode......................................243
Eco Driving Indicator .................... 90, 94
EDR (Event data recorder)................... 10
Electric Power Steering (EPS) ........249 Function .................................................. 249
Warning light ....................................... 469
Warning message.............................483
Electronic key .......................................... 104 Battery-saving function ......................113
If the electronic key does not operate properly ............................520
Replacing the battery ...................... 425
D
E
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

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

599Alphabetical index
GS350_OM_OM30F69U_(U)
First-aid kit storage net ...................... 337
Flat tire ...................................................... 502
Floor mats ................................................... 26
FluidAutomatic transmission ................. 539
Brake ....................................................... 540
Washer ...................................................407
Fog lights ................................................... 201 Replacing light bulbs ........... 445, 453
Switch........................................................ 201
Wattage ..................................................543
Footwell light .......................................... 327
Front passenger occupant classification system .............................47
Front personal lights............................ 328
Front seats .................................................134 Adjustment ............................................. 134
Cleaning .................................................378
Correct driving posture .................... 28
Driving position memory ................ 136
Head restraints ......................................142
Power easy access system ............ 136
Seat heaters .......................................... 347
Seat position memory....................... 136
Seat ventilators .................................... 347
Front side marker lights .......................196 Light switch ............................................ 196
Replacing light bulbs ........................453
Welcome light illumination control ................................................... 107 Front turn signal lights ..........................190
Replacing light bulbs ....................... 447
Turn signal lever .................................. 190
Wattage ................................................. 543
Fuel............................................................. 209 Capacity.................................................536
Fuel gauge .................................................81
Fuel pump shut off system ............ 467
Information............................................ 544
Refueling ................................................ 209
Type............................................. 209, 536
Warning light ......................................... 471
Warning messages ..........................490
Fuel filler door........................................ 209 Refueling ................................................ 209
When the fuel filler door cannot be opened ........................... 212
Fuel pump shut off system ................. 467
Fuses........................................................... 427
Garage door opener.......................... 359
Gauges.......................................................... 81
Glove box ............................................... 332
Glove box light...................................... 332
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