2015 Lexus GS450h spare tire

GS450h_OM_OM30F70U_(U)
5838-1. Specifications
8
Vehicle specifications
Compact spare tire
Ti r e s i z eT155/70D17 110M, T145/70D18 107M
Tire inflation pressure
(Recommended cold tire
inflation pressure)
60 psi (420 kPa, 4.2 kgf/cm2 or bar)
Wheel size17  4T (T155/70D17), 18  4T (T145/70D18)
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Light bulbs
Light bulbsBulb No.WTy p e
Exterior
Discharge headlights*35A
Fog lights*19B
Front turn signal lights7444NA28 /8C
Rear turn signal lightsW21W21D
Back-up lightsW16W16D
Outer foot lightsW5W5D
Interior
Door courtesy lights5D
Vanity lights8D
Tr u n k l i g h t3.8D
A: D4S discharge bulbs
B: H16 halogen bulbs
C: Wedge base bulbs (amber) D: Wedge base bulbs (clear)
*: If equipped

587
GS450h_OM_OM30F70U_(U)8-1. Specifications
8
Vehicle specifications
Tire information
Full-size tire
Compact spare tire
Typical tire symbols

588
GS450h_OM_OM30F70U_(U)
8-1. Specifications
Tire size ( P. 590)
DOT and Tire Identification Number (TIN) ( P. 5 8 9 )
Location of treadwear indicators ( P. 443)
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands which form
the plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-
ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type
tire has a tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure ( P. 5 9 4 )
Maximum cold tire inflation pressure ( P. 5 9 4 )
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Summer tires or all season tires ( P. 4 4 8 )
An all season tire has “M+S” on the side wall. A tire not marked “M+S” is a summer
tire.
“TEMPORARY USE ONLY”
A compact spare tire is identified by the phrase “TEMPORARY USE ONLY”
molded on its sidewall. This tire is designed for temporary emergency use only.
1
2
3
4
5
6
7
8
9
10
11

633What to do if... (Troubleshooting)
GS450h_OM_OM30F70U_(U)
●Stop the vehicle in a safe place and replace the flat tire with the
spare tire. ( P. 541)
●Try the procedure for when th e vehicle becomes stuck in mud,
dirt, or snow. ( P. 5 7 1 )
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

647Alphabetical index
GS450h_OM_OM30F70U_(U)
S-FLOW mode ..................................... 349
Shift lever ................................................. 203Hybrid transmission......................... 203
If the shift lever cannot be shifted from P ........... 556
Shift lever light ....................................... 363
Shift lock system.................................... 556
Side airbags ............................................... 39
Side display ............................................. 332
Side marker lights................................... 217 Light switch ............................................. 217
Replacing light bulbs ....................... 489
Welcome light illumination control ....................................................123
Side mirrors ..............................................164 Adjusting and folding........................ 164
BSM (Blind spot monitor) ............ 300
Linked mirror function when reversing ................................. 165
Mirror position memory .................. 152
Side turn signal lights .......................... 209 Replacing light bulbs ....................... 489
Turn signal lever ................................ 209
Smart access system with push-button start .......................123 Antenna location ................................. 125
Entry functions .......................................123
Starting the hybrid system .............. 193
Warning message .............................. 519
Snow mode ............................................. 204
Snow tires ................................................ 322 Spare tire ................................................... 541
Inflation pressure................................583
Storage location ................................. 542
Spark plug ................................................579
Specifications..........................................574
Speedometer .............................................. 91
Sport mode ............................................. 280
Steering lock ............................................ 196 Column lock release ......................... 197
Steering lock system warning message...........................539
Steering wheel ......................................... 161 Adjustment............................................... 161
Audio switches
*
Heated steering wheel .................. 380
Power easy access system ............. 152
Steering wheel position memory .............................. 152
Stop lights Replacing light bulbs .......................489
Storage feature ..................................... 366
Stuck If the vehicle becomes stuck.......... 571
Sun shade Rear .......................................................... 387
Rear door ............................................. 388
Roof ............................................................ 172
Sun visors..................................................375
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

649Alphabetical index
GS450h_OM_OM30F70U_(U)
Talk switch*
Telephone switches*
Theft deterrent systemAlarm...........................................................83
Immobilizer system ............................... 81
Tire inflation pressure ......................... 582 Maintenance data ............................. 582
Tire inflation pressure display function ...................................................99
Warning light ...................................... 507
Warning message .............................. 531
Tire information ..................................... 587 Glossary ................................................ 594
Size ........................................................... 590
Tire identification number............. 589
Uniform Tire Quality Grading...............................................592
Tire pressure warning system ......... 445 Function ..................................................445
Initializing................................................445
Installing tire pressure warning valves and transmitters ................445
Registering ID codes ....................... 447
Tire pressure warning reset switch....................................................446
Warning light ...................................... 507
Warning message .................. 531, 532
Tires............................................................ 443 Chains..................................................... 320
Checking................................................443
If you have a flat tire ........................... 541
Inflation pressure ............................... 582
Information ........................................... 587 Replacing .................................................541
Rotating tires ........................................ 444
Size ...........................................................582
Snow tires .............................................. 322
Spare tire..................................................541
Tire inflation pressure display
function................................................... 99
Tire pressure warning system ..... 445
Warning light ....................................... 507
Warning message...............................531
Tools ...........................................................542
Top tether strap ....................................... 68
Total load capacity.................................190
Towing Dinghy towing ....................................... 192
Emergency towing ........................... 496
Towing eyelet ...................................... 499
Trailer towing.......................................... 191
TRAC (Traction Control)................. 283
Traction battery (hybrid battery) ....... 76
Traction motor (electric motor)......... 72
Transmission .......................................... 203 Driving mode select switch ..........280
Hybrid transmission ......................... 203
If the shift lever cannot be shifted from P ...................................556
S mode.................................................... 206
Paddle shift switches........................205
Trip information ........................................ 97
Trip meters................................................... 91
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.