Page 765 of 860
765
GS450h_U (OM30D01U)
7
When trouble arises
7-2. Steps to take in an emergency
If the parking brake cannot be released
●Shift the shift lever to P.
●Turn the power switch off.
●Check that the parking brake indicator is off.
●Chock the tires.
Take out the parking brake
release tool and the screwdriver
from the trunk. ( P. 750)
Fit the parking brake release tool into
the screwdriver handle.
Take out the spare tire. ( P. 74 9 )
In the event that the 12-volt battery is discharged or switch operation
does not release the parking brake, the parking brake can be released
manually using the procedure below. This procedure should be per-
formed only if necessary, such as in an emergency.
If the switch cannot be operated ev en when the 12-volt battery is nor-
mal, the parking brake system may be malfunctioning. Have the vehicle
inspected by your Lexus dealer immediately.
Before releasing the parking brake manually
Releasing the parking brake manually
1
2
Page 790 of 860
790
GS450h_U (OM30D01U)
8-1. Specifications
Ty p e A
Ty p e B
Compact spare tire
Tires and wheels
Ti r e s i z e225/50R17 94W
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front tire35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear tire 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Wheel size17 7 1 /2J
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
Ti r e s i z e235/45R18 94Y, P235/45R18 94V
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front tire
35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear tire 35 psi (240 kPa, 2.4 kgf/cm
2 or bar)
Wheel size18 8J
Wheel nut torque76 f t•lbf (103 N•m, 10.5 kgf•m)
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)
Page 795 of 860
795
GS450h_U (OM30D01U)8-1. Specifications
8
Vehicle specifications
Tire information
Full-size tire
Compact spare tire
Typical tire symbols
Page 796 of 860

796
GS450h_U (OM30D01U)
8-1. Specifications
Tire size ( P. 7 9 8 )
DOT and Tire Identification Number (TIN) ( P. 7 9 7 )
Location of treadwear indicators ( P. 6 5 1 )
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. 8 0 2 )
Maximum cold tire inflation pressure ( P. 8 0 2 )
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. 6 5 6 )
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
Page 839 of 860
839What to do if... (Troubleshooting)
GS450h_U (OM30D01U)
●Stop the vehicle in a safe place and replace the flat tire with the
spare tire. ( P. 74 9 )
●Try the procedure for when th e vehicle becomes stuck in mud,
dirt, or snow. ( P. 7 7 8 )
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck
Page 854 of 860

854Alphabetical index
GS450h_U (OM30D01U)
Spare tire.................................................. 749Inflation pressure ............................... 790
Storage location ................................ 750
Spark plug ............................................... 787
Specifications ......................................... 782
Speedometer ............................................ 89
Sport mode ............................................. 286
Steering lock ............................................192 Column lock release ......................... 193
Steering lock system warning message ........................... 747
Steering wheel ........................................ 158 Adjustment ............................................. 158
Audio switches ................................... 503
Heated steering wheel ...................588
Power easy access system ............ 153
Steering wheel position memory.............................. 150
Stop lights Replacing light bulbs ........................697
Storage feature ..................................... 574
Stuck If the vehicle becomes stuck ........ 778
Sun shade Rear.......................................................... 594
Rear door.............................................. 595
Roof............................................................ 168
Sun visors .................................................583 Switches
AFS OFF switch ................................... 215
Audio remote control switches ..............................................503
Brake hold switch................................210
BSM (Blind spot monitor) switch ...................................................305
Cruise control switch .......... 232, 236
“DISP” button.......................................... 95
Door lock switches ............................. 137
Driving mode select switch .......... 286
Driving position memory switches ............................................... 150
Emergency flashers switch ........... 702
EV drive mode switch ......................196
Fog light switch .....................................218
Garage door opener switches ............................................. 600
Headlight cleaner switch ............... 226
Heated steering wheel switch .................................................. 588
HUD (Head-up display) switches ................................................102
Ignition switch....................................... 189
Intuitive parking assist........................ 261
Lexus night view switch......................311
Light switch............................................. 213
LKA (Lane-Keeping Assist) switch ................................................... 253
Moon roof switches ........................... 167
Outside rear view mirror switches ................................................. 161
Page 856 of 860

856Alphabetical index
GS450h_U (OM30D01U)
Tires..............................................................651Chains........................................................321
Checking................................................. 651
If you have a flat tire .......................... 749
Inflation pressure ............................... 790
Information ............................................795
Replacing ............................................... 749
Rotating tires ........................................652
Size ........................................................... 790
Snow tires .............................................. 323
Spare tire ................................................ 749
Tire inflation pressure display function ................................................... 97
Tire pressure warning system .... 653
Warning light ........................................ 715
Warning message .............................740
Tools........................................................... 750
Top tether strap........................................ 66
Total load capacity ................................ 186
Towing Dinghy towing ......................................188
Emergency towing ............................704
Towing eyelet...................................... 705
Trailer towing ........................................ 187
TRAC (Traction Control) ................. 289
Traction battery (hybrid battery) .......74
Traction motor (electric motor) ........ 70
Transmission .............................................199 Driving mode select switch ......... 286
Hybrid transmission........................... 199
If the shift lever cannot be shifted from P ................................... 764
S mode ....................................................202
Paddle shift switches ......................... 201 Trip information ....................................... 95
Trip meters ................................................. 89
Trunk .............................................................141
Internal trunk release lever ............. 144
Jam protection function.................... 143
Luggage security system................. 142
Open trunk warning message.... 729
Power trunk opener and closer ..............................................141
Smart access system with push-button start.................... 122
Trunk closer switch............................. 142
Trunk easy closer ................................ 143
Trunk features....................................... 581
Trunk grip ................................................ 142
Trunk light................................................ 143
Trunk opener main switch .............. 142
Trunk opener switch ............................141
Wireless remote control.................. 134
Trunk light Trunk light................................................ 143
Wattage ................................................... 791
Turn signal lights ................................... 205 Replacing light bulbs ............ 691, 695
Turn signal lever .................................205
Wattage ................................................... 791
Page:
< prev 1-8 9-16 17-24