2019 Lexus GS300 tire pressure

GS350_300_OM_OM30G96U_(U)
5478-1. Specifications
8
Vehicle specifications
Overall widthThe linear distance between the exteriors of the side-
walls of an inflated tire, including elev ations due to label-
ing, decorations, or protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars, multipurpose
passenger vehicles, and trucks, that have a gross vehicle
weight rating (GVWR) of 10,000 lb. or less.
PlyA layer of rubber-coat ed parallel cords
Ply separationA parting of rubber compou nd between adjacent plies
Pneumatic tire
A mechanical device made of rubber, chemicals, fabric
and steel or other materials, that, when mounted on an
automotive wheel, provides the traction and contains
the gas or fluid that sustains the load
Radial ply tire
A pneumatic tire in which the ply cords that extend to
the beads are laid at substantially 90 degrees to the
centerline of the tread
Reinforced tire A tire designed to operate at higher loads and at higher
inflation pressures than the corresponding standard tire
Section width
The linear distance between the exteriors of the side-
walls of an inflated tire, excluding elevations due to
labeling, decoration, or protective bands
SidewallThat portion of a tire between the tread and bead
Sidewall separationThe parting of the rubber compound from the cord
material in the sidewall
Snow tire
A tire that attains a traction index equal to or greater
than 110, compared to the ASTM E-1136 Standard Ref-
erence Test Tire, when using the snow traction test as
described in ASTM F-1805-00, Standard Test Method
for Single Wheel Driving Traction in a Straight Line on
Snow-and Ice-Covered Surfaces, and which is marked
with an Alpine Symbol ( ) on at least one sidewall
Tire related termMeaning

564
GS350_300_OM_OM30G96U_(U)8-3. Initialization
Items to initialize
*1: U.S.A. only
*2: GS350/GS300
The following items must be initialized for normal system operation after such
cases as the battery being reconnected
, or maintenance being performed on
the vehicle:
ItemWhen to initializeReference
Message indicating mainte-
nance is required
*1• After the maintenance is per- formedP. 368
Oil maintenance*2• After the maintenance is per-
formedP. 386
Tire pressure warning system
• When rotating the tires
• When changing the tire inflationpressure by changing traveling
speed or load weight, etc.
P. 397

588Alphabetical index
GS350_300_OM_OM30G96U_(U)
Eco drive mode ...................................... 281
Eco Driving Indicator...............................91
Eco driving meter .................................... 98
EDR (Event data recorder) ...................10
Electric Power Steering (EPS) ....... 297Function .................................................. 297
Warning light ...................................... 438
Warning message ............................. 444
Electronic key ......................................... 138 Battery-saving function .................... 158
If the electronic key does not operate properly............................ 504
Replacing the battery .........................412
Emergency, in case of If a warning buzzer sounds........... 437
If a warning light turns on............... 437
If a warning message is displayed ........................................ 444
If the electronic key does not operate properly ....... 504
If the engine will not start............... 500
If the vehicle is trapped in rising water ........................................428
If the parking brake cannot be released ....................... 502
If the vehicle battery is discharged ........................................ 507
If you have a flat tire ............. 475, 486
If you think something is wrong...............................................435
If your vehicle becomes stuck ...... 518
If your vehicle has to be stopped in an emergency ............................. 427
If your vehicle needs to be towed .......................................429
If your vehicle overheats ................. 512 Emergency flashers .............................426
Emergency tire puncture repair
kit ............................................................. 486
Engine Accessory mode ............................... 204
Compartment ..................................... 378
Engine switch ...................................... 203
Hood........................................................ 375
How to start the engine.................. 203
Identification number....................... 524
Ignition switch (engine switch.................................. 203
Overheating........................................... 512
Engine compartment cover...............381
Engine coolant ...................................... 388 Capacity................................................. 529
Checking .............................................. 388
Preparing and checking before winter ....................................304
Engine coolant temperature gauge .............................................. 92, 100
Engine immobilizer system .................. 77
Engine oil ................................................. 383 Capacity................................................. 526
Checking ...............................................383
Oil level warning message ........... 444
Oil pressure warning message........................... 444
Preparing and checking before winter ....................................304
E

591Alphabetical index
GS350_300_OM_OM30G96U_(U)
InitializationItems to initialize................................. 564
Maintenance........................................ 368
Moon roof .............................................. 185
Power windows ................................... 182
Tire pressure warning system................................397
Initiators (tire pressure warning system)................................. 403
Inside door handle lights ................... 335
Inside rear view mirror ......................... 175
Instrument panel light control............................................. 95, 103
Interior lights........................................... 335
Intuitive parking assist
*
Function*
Warning message ............................. 444
Jack Positioning a floor jack ....................376
Vehicle-equipped jack............................................ 476, 488
Jack handle ................................. 476, 488
Jam protection function Moon roof .............................................. 185
Power trunk opener and closer.............................................. 151
Power windows ..................................... 181 Keyless entry ............................................ 156
Smart access system with push-button start....................156
Wireless remote control.................. 143
Keys .............................................................138 Battery-saving function ................... 158
Electronic key ....................................... 138
Engine switch ...................................... 203
If the electronic key does not operate properly ........504
If you lose your keys.................. 140, 141
Key number plate ............................... 138
Keyless entry ............................... 143, 156
Mechanical key.....................................139
Engine switch ...................................... 203
Replacing the battery ........................ 412
Warning buzzer................................... 157
Wireless remote control key ......... 143
Knee airbags ............................................... 41
J
K
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

597Alphabetical index
GS350_300_OM_OM30G96U_(U)
S-FLOW mode ....................................... 317
Shift lever .................................................208Automatic transmission ................. 208
If the shift lever cannot be shifted from P ..............214
Shift lever light ....................................... 335
Shift lock system......................................213
Side airbags ............................................... 42
Side display ...............................................314
Side marker lights................................. 222 Light switch ........................................... 222
Replacing light bulbs ........................ 422
Welcome light illumination control ................................................... 144
Side mirrors .............................................. 177 Adjusting and folding......................... 177
BSM (Blind spot monitor) ............ 286
Linked mirror function when reversing ..................................179
Mirror position memory .................. 166
Side turn signal lights ............................216 Replacing light bulbs ........................ 422
Turn signal lever .................................. 216
Smart access system with push-button start .......................156 Antenna location ................................. 156
Entry functions ...................................... 143
Starting the engine ........................... 203
Warning message ............................. 444
Snow mode ............................................. 209
Snow tires ................................................308 Spare tire ..................................................475
Inflation pressure................................ 532
Storage location ................................. 476
Spark plug ............................................... 529
Specifications..........................................522
Speed indicator........................................ 101
Speedometer .................................. 93, 100
Sport mode ............................................... 281
Steering lock .......................................... 205 Column lock release .......................205
Steering lock system warning message........................... 473
Steering wheel ........................................ 174 Adjustment.............................................. 174
Audio switches
*
Heated steering wheel ...................330
Power easy access system .............166
Steering wheel position memory ..............................166
Stop lights Replacing light bulbs ....................... 422
Storage feature ..................................... 338
Storage precautions ........................... 338
Stuck If the vehicle becomes stuck......... 518
Sun shade Rear .......................................................... 347
Rear door .............................................. 347
Roof ........................................................... 185
Sun visors..................................................344
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

598Alphabetical index
GS350_300_OM_OM30G96U_(U)
SwitchesASC (Active Sound Control) switch...................................................... 221
Audio remote control switches
*
Automatic High Beam switch ..... 225
Brake Hold............................................. 219
Cruise control switch........................................266, 278
Door lock switches ............................ 145
Driving mode select switch ........... 281
Driving position memory switches ................................................ 166
Emergency flashers switch ...........426
Engine switch ...................................... 203
Garage door opener switches ................................................ 351
Heated steering wheel switch................................................... 330
HUD (Head-up display) switches ................................................ 126
Ignition switch ..................................... 203
Intuitive parking assist
*
Light switch ........................................... 222
LKA (Lane-Keeping Assist) switch................................................... 260
Meter control switches ........... 107, 115
Moon roof switches........................... 184
Outside rear view mirror switches ................................................. 177 Paddle shift switches..........................210
Parking brake switches .................... 217
Power door lock switch ...................145
Power window switches ................... 181
Rear sunshade switch ..................... 347
Rear window and outside
rear view mirror defoggers
switch ................................................... 322
Seat heater switches .......................... 331
Seat ventilator switches .................... 331
Snow mode switch ........................... 209
“SOS” button ........................................... 72
Talk switch
*
Telephone switches*
Tilt and telescopic steering control switch .................. 174
Tire pressure warning reset switch ................................................... 397
Trunk closer switch............................ 150
Trunk opener switch ..........................149
Trunk opener main switch ............... 151
TVD (Torque Vectoring Differential) switch ......................... 294
Vehicle-to-vehicle distance switch ....................................................272
VSC OFF switch ...............................298
Window lock switch ........................... 181
Windshield wipers and washer switch ......................... 229

599Alphabetical index
GS350_300_OM_OM30G96U_(U)
Tachometer .....................................93, 100Variable red zone............................... 103
Tail lights................................................... 222 Light switch ........................................... 222
Replacing light bulbs ........................ 422
Welcome light illumination control ................................................... 144
Talk switch
*
Telephone switches*
Theft deterrent system Alarm........................................................... 79
Engine immobilizer system.............. 77
Tire inflation pressure ......................... 532 Maintenance data ..............................532
Tire inflation pressure display function ............................................... 396
Warning light .......................................439
Warning message ............................. 444
Tire information ..................................... 539 Glossary .................................................544
Size ............................................................. 541
Tire identification number............... 541
Uniform Tire Quality Grading...............................................543
Tire pressure warning system ......... 396 Function ................................................. 396
Initializing................................................397
Installing tire pressure warning valves and transmitters ............... 396
Registering ID codes ...................... 398
Warning light .......................................439
Warning message ............................. 444 Tires ........................................................... 395
Chains .....................................................306
Checking ...............................................395
Emergency tire puncture repair kit ..............................................486
If you have a flat tire ..............475, 486
Inflation pressure................................ 532
Information............................................539
Replacing ............................................... 475
Rotating tires ........................................ 396
Size ........................................................... 532
Snow tires ............................................. 308
Spare tire................................................ 475
Tire inflation pressure display function................................................ 396
Tire pressure warning system ..... 396
Warning light ....................................... 439
Warning message............................. 444
Tools ........................................................... 476
Top tether strap ....................................... 68
Torque Vectoring Differential (TVD) ......................................................294
Total load capacity............................... 200
Towing Dinghy towing ..................................... 202
Emergency towing ........................... 429
Towing eyelet ........................................ 431
Trailer towing.........................................201
TRAC (Traction Control) Function .................................................. 296
TRAC OFF switch ............................298
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

601Alphabetical index
GS350_300_OM_OM30G96U_(U)
Warning buzzersApproach warning ............................ 273
Brake system........................................ 437
Downshifting ..........................................213
Intuitive parking assist
*
Key reminder ....................................... 472
Open door ............................................446
Open moon roof .............................. 459
Open hood ...........................................446
Open trunk ...........................................446
Open window .................................... 459
Seat belt reminder .............................439
Warning lights .......................................... 86 ABS........................................................... 437
AFS OFF indicator ........................... 438
Brake system............................437, 439
Charging system................................ 437
Electric power steering.................. 438
Low fuel level .......................................439
Malfunction indica tor lamp ........... 437
Master warning light.........................439
Open door ............................................439
Parking brake indicator ..................439
Pre-collision system......................... 438
Seat belt reminder light...................439
Slip indicator ........................................ 438
SRS ............................................................ 437
Tire pressure ........................................439 Warning messages...............................444
Washer ......................................................229
Checking ............................................... 394
Low washer fluid warning message........................... 444
Preparing and checking before winter ....................................304
Switch ...................................................... 229
Washing and waxing .......................... 360
Weight Cargo capacity...................................200
Load limits .............................................200
Weight .................................................... 522
Welcome light illumination control ..................................................... 144
Wheels Replacing .............................................. 408
Size ........................................................... 532
Window glasses....................................... 181
Window lock switch............................... 181
Windows..................................................... 181 Power windows..................................... 181
Rear window defogger .................. 322
Washer ................................................... 229
Windshield wiper de-icer ..................322
Windshield wipers ................................229 Position ................................................... 307
Rain-sensing windshield wipers................................................... 229
W
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.