2017 Lexus GS300h flat tire

555
8
8-1. Specifications
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
Type A
* : For optimizing fuel economy, ECO tire pressure is recommended. Tire pressure
affects traveling comfort, road noise and steering characteristics.
Tires and wheels
Tire size225/50R17 94W
Tire inflation
pressure
(Recommended
cold tire inflation
pressure)
Vehicle speed
Front tire
kPa (kgf/cm 2
or
bar, psi)Rear tire
kPa (kgf/cm 2
or
bar, psi)
More than 190 km/h
(118 mph)300 (3.0, 44)300 (3.0, 44)
Normal pressure:
190 km/h (118 mph)
or less
240 (2.4, 35)240 (2.4, 35)
ECO pressure *:
190 km/h (118 mph)
or less
270 (2.7, 39)270 (2.7, 39)
Wheel size17  7 1/2J
Wheel nut torque103 N

5568-1. Specifications
GS450h_300h_OM_OM30F92E_(EE)
Type B
Type C
Tire size235/45R18 94Y
Tire inflation
pressure
(Recommended
cold tire inflation
pressure)Vehicle speed
Front tire
kPa (kgf/cm 2
or
bar, psi)Rear tire
kPa (kgf/cm 2
or
bar, psi)
More than 220 km/h
(137 mph)300 (3.0, 44)300 (3.0, 44)
220 km/h (137 mph)
or less240 (2.4, 35)240 (2.4, 35)
Wheel size18  8J
Wheel nut torque103 N

557
8
8-1. Specifications
Vehicle specifications
GS450h_300h_OM_OM30F92E_(EE)
Type D
Compact spare tire (if equipped)
■When towing a trailer
Add 20.0 kPa (0.2 kgf/cm2
or bar, 3 psi) to the recommend ed tire inflation pressure and
drive at speeds below 100 km/h (62 mph).
Tire size235/40R19 96Y XL (front) and 265/35R19 94Y (rear)
Tire inflation
pressure
(Recommended
cold tire inflation
pressure)Vehicle speed
Front tire
kPa (kgf/cm 2
or
bar, psi)Rear tire
kPa (kgf/cm 2
or
bar, psi)
More than 220 km/h
(137 mph)300 (3.0, 44)300 (3.0, 44)
220 km/h (137 mph)
or less240 (2.4, 35)250 (2.5, 36)
Wheel size19  8J (235/40R19), 19  9J (265/35R19)
Wheel nut torque103 N

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

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

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”.

595
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Shift lever.................................................. 224
Hybrid transmission ......................... 224
If the shift lever cannot be shifted from P ................................... 229
Shift lever light........................................ 366
Shift lock system .................................... 228
Side airbags................................................ 43
Side display.............................................. 344
Side mirrors.............................................. 190 Adjusting and folding........................ 190
BSM (Blind spot monitor)...............314
Linked mirror function when
reversing ................................................ 191
Mirror position memory...................178
Side turn signal lights............................ 231 Replacing light bulbs........................ 449
Turn signal lever ................................... 231
Smart entry & start system................. 153
Antenna location................................. 153
Entry functions............................ 139, 146
Starting the hybrid system............... 217
Warning message.............................466
Snow mode ............................................. 225
Snow tires................................................ 338
Spare tire ..................................................498 Inflation pressure................................ 557
Storage location .................................499
Spark plug................................................ 552 Specifications ......................................... 546
Speech command system
*
Speedometer .......................................... 104
Sport mode ................................................ 311
Steering lock ............................................219 Column lock release ....................... 220
Steering lock system warning message ............................................. 496
Steering wheel........................................ 186 Adjustment .............................................186
Audio switches *
Heated steering wheel ................... 362
Power easy access system............. 178
Steering wheel position
memory ................................................ 178
Stop lights
Emergency brake signal................ 325
Replacing light bulbs ....................... 449
Storage feature ..................................... 369
Storage precautions............................ 369
Stuck If the vehicle becomes stuck ....... 542
Sun visors ..................................................377
Sun shade Rear ..........................................................380
Rear door ................................................381
Roof ............................................................ 197
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

597
Alphabetical index
GS450h_300h_OM_OM30F92E_(EE) Tire inflation pressure ......................... 429
Maintenance data............................. 555
Tire inflation pressure display function.................................. 417
Warning light ....................................... 463
Warning message.............................466
Tire pressure warning system ...........417 Function .................................................... 417
Initializing................................................. 418
Installing tire pressure warning
valves and transmitters................. 418
Registering ID codes .........................419
Warning light ....................................... 463
Warning message.............................466
Tires ............................................................. 416 Chains .....................................................336
Checking .................................................416
Emergency tire puncture
repair kit ............................................. 509
If you have a flat tire .............498, 509
Inflation pressure............................... 555
Replacing .............................................. 498
Rotating tires .......................................... 417
Size........................................................... 555
Snow tires ..............................................338
Spare tire ............................................... 498
Tire inflation pressure display function .................................................. 417
Tire pressure warning system ....... 417
Warning light ....................................... 463
Warning message.............................466 Tools...................................................499, 511
Top strap ....................................................... 71
Towing ...................................................... 454
Emergency towing ........................... 454
Towing capacity................................. 546
Towing eyelet ...................................... 456
Trailer towing ........................... 209, 210
Traction battery (hybrid battery) ...... 80
Traction Control (TRC) ..................... 324
Traction motor (electric motor) .........76
Trailer towing ............................... 209, 210
Transmission........................................... 224
Driving mode select switch.............. 311
Hybrid transmission .......................... 224
If the shift lever cannot be shifted from P....................................229
Paddle shift switches.........................226
S mode .................................................... 227
TRC (Traction Control) ..................... 324 Function...................................................324
TRC OFF switch ............................... 326
Trip information...................................... 104
Trip meters ............................................... 104
* : Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.