2018 Lexus GS450h window

525What to do if... (Troubleshooting)
GS450h_OM_OM30G62U_(U)
●Did you press the power switch while firmly depressing the brake pedal? \
(→P. 182)
●Is the shift lever in P? ( →P. 184)
●Is the electronic key anywhere detectable inside the vehicle? ( →P. 135)
●Is the steering wheel unlocked? (→ P. 185)
●Is the electronic key battery weak or depleted?
In this case, the hybrid system can be started in a temporary way. ( →P. 455)
●Is the 12-volt battery discharged? ( →P. 457)
●Is the power switch in ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
power switch in ON mode ( →P. 193)
●It is locked automatically to prevent theft of the vehicle. ( →P. 184)
●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. 160)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or ON mode (the hybrid system is not operating) for a period of time.
(→ P. 184)
If you think something is wrong
The hybrid system 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 hybrid system is stopped
The windows do not open or close by operating the power window
switches
The power switch is turned off automatically

530Alphabetical index
GS450h_OM_OM30G62U_(U)
Child restraint system............................ 53Booster seats, definition ....................53
Booster seats, installation....................61
Convertible seats, definition ............ 53
Convertible seats, installation .........59
Front passenger occupant classification system ......................... 46
Infant seats, definition .......................... 53
Infant seats, installation .......................59
Installing CRS with LATCH anchors .................... 58
Installing CRS with seat belts ..........59
Installing CRS with top tether strap ......................... 62
Child safety ................................................ 52 12-volt battery precautions ........................... 363, 460
Airbag precautions ..............................38
Child restraint system ......................... 53
How your child should wear the seat belt ................................... 31, 32
Installing child restraints..................... 57
Moon roof precautions.................... 165
Power window lock switch ............ 160
Power window precautions .......... 162
Rear door child-protectors ........... 125
Removed electronic key battery precautions.............. 383
Seat belt comfort guide .......................31
Seat belt extender precautions ...... 34
Seat belt precautions ..........................56
Seat heater precautions................... 301
Trunk precautions................................. 131 Child-protectors .................................... 125
Cleaning .......................................336, 340
Aluminum wheels .............................. 337
Exterior ................................................... 336
Interior .....................................................340
Seat belts.................................................. 341
Clock........................................................... 315
Coat hooks ............................................. 320
Condenser.............................................. 359
Console box ........................................... 308
Console box light ................................. 309
Consumption screen ..............................112
Coolant .................................................... 358 Capacity................................................. 475
Checking ...............................................358
Preparing and checking before winter.................................................... 276
Cooling system ..................................... 358 Hybrid system overheating ............461
Consumption screen ............................109
Cruise control Cruise control ..................................... 255
Dynamic radar cruise control with full-speed range ................... 243
Cup holders............................................ 309
Curtain shield airbags ............................36
Customizable features .......................494

531Alphabetical index
GS450h_OM_OM30G62U_(U)
Daytime running light system ........... 201
DefoggerFront windshield .................................293
Outside rear view mirrors .............293
Rear window ........................................293
Differential ............................................... 476
Dimensions ............................................. 470
Dinghy towing........................................... 181
Display 12.3-inch display................................ 285
Drive information .................................. 97
Dynamic radar cruise control with full-speed range .................... 243
Energy monitor .................................... 109
LKA (Lane-Keeping Assist) ........ 238
Multi-information display ..................95
Trip information .................................... 88
Warning message .............................. 410
Do-it-yourself maintenance ............. 349
Door courtesy lights Location ................................................. 304
Door lock Doors ......................................................... 122
Smart access system with push-button start ............................. 135
Wireless remote control .................. 122 Doors .......................................................... 122
Automatic door locking and unlocking system .................... 125
Door glasses ......................................... 160
Door lock................................................. 124
Open door warning buzzer ..........136
Outside rear view mirrors ..............156
Rear door child-protector .............. 125
Drive info 1/Drive info 2/ Drive info 3........................................... 100 Drive information...................................97
Drive-Start Control..................... 169, 193
Driver’s seat position memory.......... 145 Driving position memory.................146
Memory recall function .................... 147
Power easy access system .............145
Driving ........................................................168 Break-in tips ...........................................169
Correct driving posture .................... 28
Driving mode select switch ..........258
Hybrid vehicle driving tips .............274
Procedures ............................................ 168
Winter drive tips ................................ 276
DRS (Dynamic Rear Steering) ........269 Function .................................................. 269
Warning message...............................410
DVD player
*
Dynamic radar cruise control with full-speed range Function .................................................. 243
Warning message...............................410
Dynamic Rear Steering (DRS) ........269 Function .................................................. 269
Warning message...............................410
D
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

535Alphabetical index
GS450h_OM_OM30G62U_(U)
I/M test ..................................................... 348
Identification ............................................. 471Engine ........................................................471
Vehicle ......................................................471
Ignition switch (power switch) ......... 182 Auto power off function................... 184
Changing the power switch modes ................................................... 183
If your vehicle has to be stopped in an emergency .............................397
Starting the hybrid system .............. 183
Illuminated entry system .................... 306
Immobilizer system..................................74
Indicators .................................................... 84
Initialization Items to initialize................................. 507
Maintenance.........................................344
Moon roof .............................................. 164
Power windows ..................................... 161
Tire pressure warning system................................367
Initiators (tire pressure warning system)................................. 373
Inside door handle lights ................... 304
Inside rear view mirror .........................154
Instrument panel light control ..............91
Interior lights........................................... 304
Intuitive parking assist
*
Function*
Warning message .............................. 410 Jack
Positioning a floor jack.................... 352
Vehicle-equipped jack ................... 442
Jack handle ................................................. 442
Jam protection function Moon roof ...............................................164
Power trunk opener and closer ........................................... 130
Power windows................................... 160
Keyless entry ............................................ 135 Smart access system with push-button start....................135
Wireless remote control.................. 122
Keys .............................................................. 118 Battery-saving function .................... 137
Electronic key ......................................... 118
Engine switch ........................................182
If the electronic key does not operate properly ........ 454
If you lose your keys.................... 119, 121
Key number plate ................................. 118
Keyless entry ................................122, 135
Mechanical key...................................... 119
Power switch .........................................182
Replacing the battery ...................... 382
Warning buzzer...................................136
Wireless remote control key ......... 122
Knee airbags ............................................. 35
IJ
K
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

538Alphabetical index
GS450h_OM_OM30G62U_(U)
Paddle shift switches .............................. 191
Parking assist sensors (intuitive parking assist)
*
Parking brake...........................................196 If the parking brake cannot be released ........................452
Operation ............................................... 196
Parking brake engaged warning buzzer ................................ 410
Parking brake engaged warning message ............................ 410
Parking lights ..........................................200 Light switch .......................................... 200
Replacing light bulbs ........................393
Welcome light illumination cont rol ..........................123
PCS (Pre-Collision System) ............ 223 Function .................................................. 223
Warning light ...................................... 405
Warning message .............................. 410
Personal lights........................................305
Power control unit .................................. 70
Power control unit coolant ...............358 Capacity .................................................475
Checking............................................... 358
Preparing and checking before winter .................................................... 276 Power easy access system ................. 145
Power outlets ........................................... 315
Power steering (Electric Power
Steering system).................................269 Warning light .......................................405
Warning message...............................410
Power switch............................................ 182 Auto power off function ...................184
Changing the power switch modes ................................................... 183
If your vehicle has to be stopped in an emergency............................. 397
Starting the hybrid system...............182
Power trunk opener and closer ....... 128
Power windows....................................... 160 Door lock linked window operation ............................ 161
Jam protection function................... 160
Operation............................................... 160
Window lock switch ......................... 160
Pre-Collision System (PCS).............223 Function .................................................. 223
Warning light .......................................405
Warning message...............................410
P

539Alphabetical index
GS450h_OM_OM30G62U_(U)
Radar cruise control (dynamic radar cruise control with
full-speed range) ............................... 243
Radiator .................................................... 359
Radio
*
RBDS (Radio Broadcast Data Systems)
*
Rear air conditioning system ........... 298
Rear door sunshades ........................... 318
Rear personal lights.............................305
Rear side marker lights ......................200 Light switch .......................................... 200
Replacing light bulbs ........................393
Welcome light illumination cont rol ..........................123
Rear seat heaters.................................. 302
Rear sunshade ........................................ 318 Operation ............................................... 318
Reverse operation feature.............. 319
Rear turn signal lights .......................... 195 Replacing light bulbs ........................393
Turn signal lever .................................. 195
Rear view mirror Inside rear view mirror ..................... 154
Outside rear view mirrors .............. 156
Rear view monitor system
*
Rear window defoggers .................... 293
Refueling ....................................................213 Capacity ................................................. 472
Fuel types ............................................... 472
Opening the fuel tank cap...............214
When the fuel filler door cannot be opened .......................... 215 Regenerative braking............................. 67
Remote Touch
*.................................... 282
Replacing Electronic key battery ..................... 382
Fuses ........................................................384
Light bulbs...............................................391
Tires ............................................................ 441
Reporting safety defects for U.S. owners ....................................510
Resetting the message indicating maintenance is required .................344
Rev indicator ............................................. 90
Rev peak ..................................................... 90
Road accident cautions ......................... 72
Seat belts .................................................... 30 Adjusting the seat belt........................ 30
Automatic Locking Retractor .......... 31
Child restraint system installation ............................................. 59
Cleaning and maintaining the seat belt ......................................... 341
Emergency Locking Retractor (ELR) ................................... 31
How to wear your seat belt............. 30
How your child should wear the seat belt ...........................................32
Pregnant women, proper seat belt use ......................................... 33
Reminder light and buzzer ...........406
Seat belt extender .................................32
Seat belt pretensioners........................ 31
SRS warning light .............................. 404
R
S
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

542Alphabetical index
GS450h_OM_OM30G62U_(U)
Power door lock switch ...................124
Power switch......................................... 182
Power window switches ................. 160
Rear sunshade switch ....................... 318
Rear window and outside rear view mirror defoggers
switch....................................................293
Seat heater switches........................ 302
Seat ventilator switches ................. 302
Snow mode switch............................. 190
“SOS” button........................................329
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch ................. 153
Trunk closer switch ............................ 129
Trunk opener main switch.............. 130
Trunk opener switch ......................... 128
Vehicle-to-vehicle distance switch....................................................249
VSC OFF switch ...............................270
Window lock switch.......................... 160
Windshield wipers and washer switch .........................207
Tachometer .................................... 88, 105
Tail lights...................................................200 Light switch .......................................... 200
Replacing light bulbs ........................393
Welcome light illumination control ....................................................123 Talk switch
*
Telephone switches*
Theft deterrent system
Alarm ........................................................... 77
Immobilizer system...............................74
Tire inflation pressure.......................... 477 Maintenance data...............................477
Tire inflation pressure display function................................................ 366
Warning light .......................................406
Warning message...............................410
Tire information .................................... 484 Glossary.................................................489
Size ...........................................................486
Tire identification number .............486
Uniform Tire Quality Grading ............................................. 488
Tire pressure warning system ......... 366 Function .................................................. 366
Initializing ............................................... 367
Installing tire pressure warning valves and transmitters................ 366
Registering ID codes .......................368
Warning light .......................................406
Warning message...............................410
Tires ........................................................... 365 Chains ..................................................... 278
Checking ...............................................365
If you have a flat tire ............................ 441
Inflation pressure.................................477
Information............................................ 484
T

544Alphabetical index
GS450h_OM_OM30G62U_(U)
Vanity lights...............................................314Vanity lights ........................................... 314
Wattage ................................................. 480
Vanity lights...............................................314 Vanity mirrors ....................................... 314
Variable Gear Ratio Steering (VGRS) ................................................. 269 Function ..................................................269
Warning message .............................. 410
VDIM (Vehicle Dynamics Integrated Manag ement) .............. 269
Vehicle data recordings .......................... 9
Vehicle Dynamics Integrated Management (VDIM) ..................... 269
Vehicle identification number ........... 471
Vehicle proximity notification system ........................................................67
Vehicle Stability Control (VSC) ..................................................... 268
Ventilators (seat ventilators)............ 302
VGRS (Variable Gear Ratio Steering) ............................................... 269 Function ..................................................269
Warning message .............................. 410
Voice command system
*
VSC (Vehicle Stability Control) ............ 268 Warning buzzers
Approach warning ...........................250
Brake system ....................................... 404
Downshifting ..........................................193
Intuitive parking assist
*
Key reminder .......................................438
Open door ............................................. 412
Open moon roof ............................... 425
Open hood............................................. 412
Open trunk ............................................. 412
Open window ..................................... 425
Seat belt reminder.............................406
Warning label ............................................70
Warning lights .......................................... 83 ABS .......................................................... 404
AFS OFF indicator ...........................405
Brake hold operated indicator ..............................................405
Brake system .......................... 404, 406
Charging system ............................... 404
Electric power steering ..................405
Low fuel level .......................................406
Malfunction indicator lamp........... 404
Master warning light ........................406
Parking brake indicator ..................406
Pre-collision system .........................405
Seat belt reminder light ..................406
Slip indicator ........................................405
SRS............................................................ 404
Tire pressure ........................................406
VW