738
GS350_U (OM30C34U)
7-2. Steps to take in an emergency
If the parking brake cannot be released
●Shift the shift lever to P.
●Turn the engine 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. 723)
Fit the parking brake release tool into
the screwdriver handle.
Take out the spare tire. ( P. 722)
In the event that the battery is disc harged or switch operation does not
release the parking brake, the par king brake can be released manually
using the procedure belo w. This procedure should be performed only if
necessary, such as in an emergency.
If the switch cannot be operated ev en when the battery is normal, 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
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760
GS350_U (OM30C34U)
8-1. Specifications
Ty p e C
Compact spare tire
Ti r e s i z e235/40R19 96Y XL, 265/ 35R19 94Y,
235/40R19 96V XL
Tire inflation pressure
(Recommended cold tire
inflation pressure)Front tire35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear tire 36 psi (250 kPa, 2.5 kgf/cm
2 or bar)
Wheel size19 8J (235/40R19), 19 9J (265/35R19)
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)
765
GS350_U (OM30C34U)8-1. Specifications
8
Vehicle specifications
Tire information
Full-size tire
Compact spare tire
Typical tire symbols
766
GS350_U (OM30C34U)
8-1. Specifications
Tire size (P. 76 8 )
DOT and Tire Identification Number (TIN) ( P. 76 7 )
Location of treadwear indicators ( P. 6 2 9 )
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. 772)
Maximum cold tire inflation pressure ( P. 772)
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. 634)
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.
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809What to do if... (Troubleshooting)
GS350_U (OM30C34U)
●Stop the vehicle in a safe place and replace the flat tire with the
spare tire. ( P. 722)
●Try the procedure for when th e vehicle becomes stuck in mud,
dirt, or snow. ( P. 74 9 )
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck
821Alphabetical index
GS350_U (OM30C34U)
Seats............................................................ 128Adjustment ............................................. 128
Adjustment precautions .................. 129
Child seats/child restraint system installation.............................. 57
Cleaning ................................................ 598
Driving position memory ................ 130
Head restraints ..................................... 136
Power easy access system ............ 133
Properly sitting in the seat ................ 28
Seat heaters ......................................... 568
Seat position memory....................... 130
Seat ventilators ................................... 569
Sensor Automatic headlight system .......... 193
Humidity sensor .................................357
Inside rear view mirror ....................... 141
Intuitive parking assist ..................... 238
Lexus night view ................................. 297
LKA (Lane-Keeping Assist) .........236
Radar sensor ................222, 280, 292
Rain-sensing windshield wipers .................................................... 201
Service reminder indicators ................74
S-FLOW mode ..................................... 355
Shift lever ...................................................178 Automatic transmission ................... 178
If the shift lever cannot be shifted from P ............ 737
Shift lever light ....................................... 548
Shift lock system.....................................737
Side airbags ............................................... 37
Side marker lights.................................. 190 Light switch ............................................ 190
Replacing light bulbs ..........................671
Welcome light illumination control ..................................................... 101 Side mirrors .............................................. 142
Adjusting and folding ........................ 142
Blind Spot Monitor ........................... 287
Linked mirror function when reversing.................................. 143
Mirror position memory ................. 130
Side turn signal lights ............................184 Replacing light bulbs ......................... 671
Turn signal lever ...................................184
Smart access system with push-button start ........................ 101Antenna location................................. 103
Entry functions ....................................... 101
Starting the engine ................................171
Warning message............................. 703
Snow tires ................................................ 302
Spare tire .................................................. 722 Inflation pressure................................ 760
Storage location ..................................723
Spark plug ................................................756
Specifications..........................................752
Speedometer ............................................. 79
Steering lock ............................................ 174 Column lock release ......................... 175
Steering lock system warning message........................... 720
Steering wheel ........................................ 139 Adjustment..............................................139
Audio switches ................................... 482
Heated steering wheel ...................566
Power easy access system .............133
Steering wheel position memory ............................. 130
Stop lights Replacing light bulbs ......................... 671
Storage feature ....................................... 551
823Alphabetical index
GS350_U (OM30C34U)
Tachometer ....................................... 79, 92
Tail lights.................................................... 190Light switch ............................................ 190
Replacing light bulbs ..........................671
Welcome light illumination control ..................................................... 101
Talk switch
*............................................ 334
Telephone switches
*.......................... 486
Theft deterrent system Alarm........................................................... 70
Engine immobiliz er system ..............68
Tire inflation pressure ......................... 759 Maintenance data ..............................759
Tire inflation pressure display function .................................................. 85
Warning light ...................................... 690
Warning message ...............................713
Tire information ..................................... 765 Glossary ................................................. 772
Size ........................................................... 768
Tire identification number.............. 767
Uniform Tire Quality Grading............................................... 770
Tire pressure warning system ...........631 Function ................................................... 631
Initializing ................................................. 631
Installing tire pressure warning valves and transmitters ................. 631
Registering ID codes .......................633
Tire pressure warning reset switch....................................................632
Warning light ...................................... 690
Warning message .....................713, 714 Tires ............................................................629
Chains .................................................... 300
Checking ............................................... 629
If you have a flat tire ...........................722
Inflation pressure................................ 759
Information............................................ 765
Replacing ................................................722
Rotating tires ........................................630
Size ........................................................... 759
Snow tires .............................................. 302
Spare tire.................................................722
Tire inflation pressure display function................................................... 85
Tire pressure warning system .......631
Warning light ...................................... 690
Warning message............................... 713
Tools ........................................................... 723
Top tether strap ........................................64
Total load capacity.................................168
Towing Dinghy towing .......................................170
Emergency towing ........................... 678
Towing eyelet ...................................... 679
Trailer towing.........................................169
TRAC (Traction Control)................. 268
Transmission ............................................ 178 Automatic transmission ....................178
Driving mode select switch .......... 263
If the shift lever cannot be shifted from P ....................................737
M mode ..................................................... 181
Paddle shift switches......................... 180
Trip information ....................................... 83
Trip meters .................................................. 79
T
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.