Lexus GS300h 2017 Owner's Manual
Manufacturer: LEXUS, Model Year: 2017, Model line: GS300h, Model: Lexus GS300h 2017Pages: 600, PDF Size: 58.17 MB
Page 581 of 600

581
What to do if... (Troubleshooting)
GS450h_300h_OM_OM30F92E_(EE) ●
When a warning light turns on or a warning message is displayed, refer to  
P. 460, 466.
● Vehicles with spare tire
Stop the vehicle in a safe place and replace the flat tire with the spare tire. ( P. 498)
● 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. 509)
● Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow. ( P. 542)
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire 
The vehicle becomes stuck  
Page 582 of 600

582Alphabetical index
GS450h_300h_OM_OM30F92E_(EE)
Alphabetical index
A/C ............................................................ 346
Air conditioning filter........................ 433 
Changing the rear seat settings.................................................353
Front automatic air 
conditioning system ...................... 346
nanoe™ system ..................................356 
Pollen removal mode ...................... 352 
Rear air conditioning system ...... 358 
S-FLOW mode.................................. 347
ABS (Anti-lock Brake System) ....... 324
Function .................................................. 324 
Warning light .........................................461 
Warning message.............................466
Adaptive Front-lighting System 
(AFS) ..................................................... 239
Adaptive Variable Suspension 
system (AVS) ...................................... 325
AFS (Adaptive Front-lighting 
System) .................................................. 239
AHS (Adaptive High-beam 
System) ................................................... 241
Air conditioning filter .......................... 433
Air conditioning system ..................... 346 Air conditioning filter........................ 433
Changing the rear seat settings.................................................353
Front automatic air  conditioning system ...................... 346
nanoe™ system ..................................356 
Pollen removal mode ...................... 352 
Rear air conditioning system ...... 358 
S-FLOW mode.................................. 347 Airbags ........................................................ 43
Airbag manual on-off system......... 54 
Airbag operating conditions ...........49 
Airbag precautions for 
your child .............................................. 45
Airbag warning light ........................ 460 
Correct driving posture.................... 36 
Curtain shield airbag operating 
conditions ..............................................49
Curtain shield airbag 
precautions ........................................... 47
General airbag precautions ........... 45 
Locations of airbags ............................43 
Modification and disposal of 
airbags.................................................... 48
Side airbag operating 
conditions ..............................................49
Side airbag precautions .................... 45 
Side and curtain shield airbags  operating conditions ........................49
Side and curtain shield airbags  precautions .......................................... 45
SRS airbags ..............................................43
Airbag manual on-off system ............. 54
Alarm .............................................................. 91 Alarm ............................................................ 91
Warning buzzer.....................460, 466
Anchor brackets ...................................... 66
Antennas (smart entry &  start system)  .........................................153
Anti-lock Brake System (ABS)....... 324 Function...................................................324
Warning light......................................... 461 
Warning message ............................ 466
A  
Page 583 of 600

583
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Approach warning
Dynamic radar cruise control 
with full-speed range....................302
Armrest.................................................... 380 
Ashtrays .................................................... 378 
Assist grips ............................................. 383 
Audio input *
Audio system *
Automatic headlight leveling  system ...................................................240
Automatic High Beam ....................... 246 
Automatic light control system  ...... 237 
AUX port *
Auxiliary boxes ...................................... 373
AVS (Adaptive Variable  Suspension system) .......................... 325
Back-up light Replacing light bulb .......................... 443
Wattage................................................. 558
Battery (12-volt battery)...................... 412
If the 12-volt battery is discharged........................................ 530
Preparing and checking  before winter .................................... 334
Warning light ...................................... 460
Battery (traction battery)..................... 80 Blind Spot Monitor (BSM)  ................314
Blind Spot Monitor function .......... 319
Rear Crossing Traffic Alert function...................................... 321
Bluetooth ®
*
Brake
Brake Hold ........................................... 235 
Fluid .......................................................... 554 
Parking brake .......................................232 
Regenerative braking..........................78 
Warning light........................... 460, 462 
Warning message ............................ 466
Brake assist  ............................................ 324
Brake Hold .............................................. 235 
Break-in tips ........................................... 202 
Brightness control Instrument panel li ght control ....... 107
BSM (Blind Spot Monitor) .................314
Blind Spot Monitor function .......... 319
Rear Crossing Traffic Alert function...................................... 321
Card key ....................................................134 
Care ............................................... 390, 394 Aluminum wheels................................ 391
Exterior ................................................... 390 
Interior..................................................... 394 
Seat belts ............................................... 395
B
C
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.  
Page 584 of 600

584Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Cargo hooks........................................... 374 CD player
*
Chains ....................................................... 336
Child restraint system ............................ 57 Baby seats, definition ..........................58
Baby seats, installation ....................... 67 
Child seats, definition..........................58 
Child seats, installation....................... 67 
Installing CRS with ISOFIX rigid anchors........................................ 70
Installing CRS with seat belts.......... 67 
Installing CRS with top strap ............ 71 
Junior seats, definition ........................58 
Junior seats, installation ..................... 69
Child safety................................................. 56 12-volt battery 
precautions............................. 414, 534
Airbag precautions .............................. 45 
Child restraint system......................... 57 
How your child should 
wear the seat belt ..................... 39, 40
Installing child restraints .................... 66 
Moon roof precautions ................... 198 
Power window lock switch.............193 
Power window precautions .......... 195 
Rear door child-protectors ............143 
Removed electronic key  battery precautions ....................... 436
Seat belt comfort guide ..................... 39 
Seat belt precautions .......................... 42 
Seat heater precautions ...................361 
Trunk precautions  ..............................149
Child-protectors ................................... 143 Cleaning....................................... 390, 394
Aluminum wheels................................ 391 
Exterior ................................................... 390 
Interior..................................................... 394 
Seat belts ............................................... 395
Clock ............................................... 105, 378
Coat hooks.............................................. 382 
Condenser ................................................ 411 
Console box ........................................... 370 
Console box light ................................... 371 
Coolant..................................................... 409 Capacity................................................. 552
Checking ............................................... 409 
Preparing and checking 
before winter.................................... 334
Cooling system ..................................... 409
Engine overheating .......................... 535
Hybrid system overheating.......... 535
Consumption screen  ........................... 126
Cruise control Cruise control .....................................308
Dynamic radar cruise control with full-speed range ................... 296
Cup holders .............................................. 371 
Curtain shield airbags  .......................... 43 
Customizable features.........................561  
Page 585 of 600

585
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) DAB (Digital Audio Broadcast)
*
Daytime running light system  ......... 240 
Defogger Front windshield ................................. 352
Outside rear view mirrors............. 352 
Rear window ........................................ 352
Differential ...............................................554
Digital Audio Broadcast (DAB) *
Dimensions.............................................. 546
Display 12.3-inch display ................................ 344
Drive information .................................. 113 
Dynamic radar cruise control 
with full-speed range.................... 296
Energy monitor.....................................126 
LKA (Lane-Keeping Assist) .........286 
Multi-information display .................... 111 
Trip information ................................... 104 
Warning message.............................466
Do-it-yourself maintenance .............399
Door courtesy lights Location..................................................366
Wattage................................................. 558
Door lock Doors .........................................................139 
Smart entry & start system ............. 153 
Wireless remote control ..................134 Doors...........................................................139
Automatic door locking and 
unlocking system ............................. 143
Door glasses.......................................... 193 
Door lock ................................................ 142 
Open door warning buzzer .......... 154 
Outside rear view mirrors ..............190 
Rear door child-protector  ............. 143
Double locking system.......................... 90
Drive info 1/Drive info 2/ Drive info 3 ............................................. 113
Drive information .................................... 116 
Drive-Start Control ................... 201, 228 
Driver’s seat position memory ..........178
Driving position memory ................ 179
Memory recall function ..................... 181 
Power easy access system............. 178
Driving ...................................................... 200
Break-in tips......................................... 202 
Correct driving posture.................... 36 
Driving mode select switch.............. 311 
Hybrid vehicle driving tips .............. 331 
Procedures........................................... 200 
Winter drive tips ................................ 334
DRS (Dynamic Rear Steering) ....... 325 Function.................................................. 325 
Warning message ............................ 466
D
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.  
Page 586 of 600

586Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Dynamic radar cruise control 
with full-speed range ....................... 296
Function .................................................. 296 
Warning message.............................466
Dynamic Rear Steering (DRS)........ 325 Function .................................................. 325 
Warning message.............................466
DVD player *
Eco drive mode ........................................ 311 
Electric motor (traction motor) ......... 76 
Electric Power Steering (EPS)........ 325 Function .................................................. 325
Warning light .........................................461 
Warning message.............................466
Electronic key.......................................... 134 Battery-saving function.................... 155 
If the electronic key does not operate properly ............................ 527
Replacing the battery.......................435
Emergency, in case of
If a warning buzzer sounds ......... 460 
If a warning light turns on.............. 460 
If a warning message is displayed ............................................466
If the 12-volt battery is  discharged........................................ 530
If the electronic key does not  operate properly ............................ 527
If the hybrid system will not  start ........................................................ 523
If the parking brake cannot  be released........................................525
If you have a flat tire .............498, 509 If you think something 
is wrong .............................................. 459
If your vehicle becomes  stuck ..................................................... 542
If your vehicle has to be  stopped in an emergency ......... 453
If your vehicle needs to  be towed ............................................ 454
If your vehicle overheats................ 535
Emergency brake signal.................... 325
Emergency flashers............................. 452 
Emergency tire puncture 
repair kit ................................................ 509
Energy monitor ....................................... 126 
Engine ....................................................... 548 Accessory mode ................................. 218
Compartment ..................................... 403 
Engine switch ........................................ 217 
Hood ......................................................... 401 
How to start the hybrid 
system.................................................... 217
Identification number....................... 548 
Ignition switch  (power switch) .................................. 217
Overheating ........................................ 535 
Power switch ......................................... 217
Engine compartment cover ............. 405
Engine coolant....................................... 409 Capacity................................................. 552
Checking ............................................... 409 
Preparing and checking before winter.................................... 334
E  
Page 587 of 600

587
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Engine coolant temperature 
gauge....................................................... 105
Engine oil..................................................406 Capacity ................................................ 550 
Checking .............................................. 406 
Oil level warning message ...........466 
Oil pressure warning message..............................................466
Preparing and checking  before winter .................................... 334
Engine switch ...........................................217 Auto power off function ...................219
Changing the power switch modes ................................................... 218
If your vehicle has to be  stopped in an emergency..........453
Starting the hybrid system............... 217
EPS (Electric Power Steering)........ 325
Function .................................................. 325 
Warning light .........................................461 
Warning message.............................466
EV drive mode ....................................... 222 
First-aid kit storage net....................... 375 
Flat tire
Vehicles with spare tire ................. 498
Vehicles without spare tire .......... 509
Floor mats ................................................... 34
Fluid Brake........................................................554
Hybrid transmission .........................553 
Washer ...................................................... 411 Fog lights .................................................. 250
Replacing light bulbs ....................... 449
Switch ...................................................... 250
Follow me home system .................... 238
Footwell light .......................................... 366 
Front air conditioning system .......... 346 
Front fog lights ....................................... 250 Replacing light bulbs ....................... 449
Switch ...................................................... 250 
Wattage ................................................. 449
Front personal lights............................ 367
Front position lights ............................. 237 Light switch............................................ 237
Replacing light bulbs ....................... 449 
Welcome light illumination control ................................................... 140
Front seats ................................................. 175 Adjustment ............................................. 175
Cleaning ................................................ 394 
Correct driving posture.................... 36 
Driving position memory ................ 178 
Head restraints .....................................183 
Power easy access system............. 178 
Seat heaters.......................................... 362 
Seat position memory ....................... 178 
Seat ventilators ................................... 362
Front turn signal lights ..........................231 Replacing light bulbs ........... 443, 449 
Turn signal lever................................... 231 
Wattage .................................................558
F
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.  
Page 588 of 600

588Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Fuel ............................................................. 257
Capacity .................................................549 
Fuel gauge.............................................. 105 
Information ........................................... 559 
Refueling ................................................ 257 
Type ........................................................  549 
Warning light ....................................... 462 
Warning messages...........................466
Fuel consumption Average fuel consumption .............. 113 
Average fuel consumption after refueling ...................................... 113
Current fuel consumption................ 113
Fuel filler door ........................................ 257
Refueling ................................................ 257 
When the fuel filler door cannot be opened ......................... 259
Fuses .......................................................... 437 
Gauges ...................................................... 104 
Glove box ................................................ 370 
Glove box light ...................................... 370 
Grille Shutter system
Warning message.............................466 Hands-free system 
(for cellular phone) *
Head restraints ....................................... 183 
Headlight cleaner...................... 252, 254 
Headlights ............................................... 237
Adaptive Front-lighting System (AFS)................................... 239
AHS (Adaptive High-beam  System) ................................................. 241
Automatic High Beam  system.................................................. 246
Follow me home system................ 238
Headlight leveling warning  message ............................................. 466
Light switch............................................ 237 
Replacing light bulbs ....................... 449
Head-up display....................................... 119
Heated steering wheel.........................361 
Heaters ..................................................... 346
Air conditioning system ................. 346
Heated steering wheel ................... 362 
Outside rear view mirrors ............ 352 
Seat heaters.......................................... 362
High-voltage components .................. 80
Hood........................................................... 401 Open ......................................................... 401
Warning message ............................ 466
G
H  
Page 589 of 600

589
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Hooks
Cargo hooks........................................ 374 
Coat hooks ...........................................382 
Luggage hook..................................... 374 
Retaining hooks (floor mat)............. 34
Horn ............................................................ 186
Hybrid battery (traction battery) Location.....................................................80
Specification .........................................549
Hybrid battery (traction battery) 
air vents...................................................... 81
Hybrid system ........................................... 76
Emergency shut off system................81 
Energy monitor/consumption screen.......................126
EV drive mode ................................... 222 
High voltage components ...............80 
Hybrid System Indicator ................. 108 
Hybrid system precautions..............80 
Hybrid vehicle driving tips ..............331 
If the hybrid system  will not start ....................................... 523
Overheating .........................................535 
Power (ignition) switch ..................... 217 
Regenerative braking ......................... 78 
Starting the hybrid system............... 217
Hybrid System Indicator ..................... 108
Hybrid transmission............................. 224
If the shift lever cannot be shifted from P ................................... 229
Paddle shift switches ........................ 226
S mode.....................................................227 Identification ........................................... 547
Engine ..................................................... 548
Vehicle.................................................... 547
Ignition switch (power switch) .......... 217 Auto power off function ................... 219 
Changing the power switch modes.................................................... 218
If your vehicle has to be  stopped in an emergency ......... 453
Starting the hybrid system .............. 217
Illuminated entry system .................... 368
Immobilizer system................................. 85 
Indicators .................................................... 101 
Initialization Items to initialize ................................. 576
Moon roof ............................................... 197 
Power windows ................................... 194 
Tire pressure warning system.................................................... 418
Initiators (tire pressure warning  system)....................................................427
Inside door handle lights ................... 366 
Inside rear view mirror ........................ 188 
Instrument panel light control ...........107 
Interior lights........................................... 366 
Intrusion sensor and tilt sensor .......... 94 
ISOFIX rigid anchors ............................ 66
I
* : Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.  
Page 590 of 600

590Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Jack
Positioning the jack ...........................402 
Vehicle-equipped jack .......... 499, 511
Jack handle..................................... 499, 511
Jam protection function Moon roof ............................................... 197
Power trunk lid......................................149 
Power window ......................................193
Keyless entry ........................................... 153 Smart entry & start system ............. 153 
Wireless remote control ..................134
Keys ............................................................. 134 Battery-saving function.................... 155 
Electronic key ........................................134 
Engine switch......................................... 217 
If the electronic key does not operate properly ............................ 527
If you lose your keys ................ 136, 137 
Key number plate ................................134 
Keyless entry ............................... 134, 153 
Mechanical key.................................... 135 
Power switch ......................................... 217 
Replacing the battery.......................435 
Warning buzzer ...................................154 
Wireless remote control key .........134
Knee airbags.............................................. 43 Language (multi-information 
display) .................................................. 562
LDH (Lexus Dynamic Handling 
system)................................................... 325
Lever
Auxiliary catch lever........................... 401
Hood lock release lever .................. 401 
Shift lever ................................................ 224 
Turn signal lever................................... 231 
Wiper lever ............................................ 251
Lexus Dynamic Handling system 
(LDH) ..................................................... 325
Lexus parking assist monitor *
Lexus parking assist-sensor *
Function *
Warning message ............................ 466
Lexus Safety System+........................... 261
AHS (Adaptive High-beam System) ................................................. 241
Automatic High Beam ................... 246 
Dynamic radar cruise control  with full-speed range ................... 296
LKA (Lane-Keeping Assist) ........ 282 
PCS (Pre-Crash Safety  system) ................................................ 270
RSA (Road Sign Assist) ................... 291
License plate lights .............................. 237
Light switch............................................ 237 
Replacing light bulbs ....................... 449 
Welcome light illumination control ................................................... 140
J
K
L