spare tire Lexus GS350 2014 Warranty and Services Guide / LEXUS 2014 GS350 (OM30D41U) User Guide

7377-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)
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When trouble arises
Location of the spare tire, jack and tools
Jack handle
Parking brake release tool
Screwdriver
Towing eyeletWheel nut wrench
Spare tire
Jack1
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5
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7407-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)Remove the center luggage mat. (
P. 5 7 2 )
Loosen the center fastener that
secures the spare tire.
Taking out the spare tire
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CAUTION
■When storing the spare tire
Be careful not to catch fingers or other body parts between the spare tire and the
body of the vehicle.

7447-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)Remove any dirt or foreign mat-
ter from the wheel contact sur-
face.
If foreign matter is on the wheel con-
tact surface, the wheel nuts may
loosen while the vehicle is in motion,
causing the tire to come off.
Install the spare tire and loosely
tighten each wheel nut by hand by
approximately the same amount.
When replacing an aluminum
wheel with a steel wheel, tighten
the wheel nuts until the tapered
portion comes into loose contact
with the disc wheel seat.
When replacing an aluminum
wheel with an aluminum wheel,
turn the wheel nuts until the
washers come into contact with
the disc wheel.
Installing the spare tire
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Tapered portion
Disc wheel
seat
Disc wheel
Wa s h e r

7467-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)
■The compact spare tire
●The compact spare tire is identified by the label “TEMPORARY USE ONLY” on
the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare tire.
( P. 775)
■When using the compact spare tire
As the compact spare tire is not equipped with a tire pressure warning valve and
transmitter, low inflation pressure of the spare tire will not be indicated by the tire
pressure warning system. Also, if you replace the compact spare tire after the tire
pressure warning light comes on, the light remains on.
■When the compact spare tire is equipped
The vehicle becomes lower when driving wi th the compact spare tire compared to
when driving with standard tires.
■If you have a flat rear tire on a road covered with snow or ice (vehicles with front
and rear tires of the same size)
Install the compact spare tire on one of th e front wheels of the vehicle. Perform the
following steps and fit tire chains to the rear tires:
Replace a front tire with the compact spare tire.
Replace the flat rear tire with the tire removed from the front of the vehicle.
Fit tire chains to the rear tires.
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7477-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)
7
When trouble arises
CAUTION
■When using the compact spare tire
●Remember that the compact spare tire provided is specifically designed for use
with your vehicle. Do not use your compact spare tire on another vehicle.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, abrupt steering, sudden braking and shifting opera-
tions that cause sudden engine braking.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
Also, not only can the following system not be utilized fully, but it may even nega-
tively affect the drive-train components:
•AWD system
• ABS & Brake assist
•VSC
•TRAC
•Cruise control
• Dynamic radar cruise control (if equipped)
•PCS (if equipped)
•EPS
•AFS (if equipped)
• LDH (if equipped) • DRS (if equipped)
• AVS (if equipped)
• LKA (Lane-Keeping Assist)
(if equipped)
• VGRS (if equipped)
• Rear view monitor system
•Intuitive parking as sist (if equipped)
• Navigation system (if equipped)

7487-2. Steps to take in an emergency
GS350_OM_OM30D41U_(U)
CAUTION
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire
is installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failure to
observe this precaution may lead to an accident causing death or serious injury.
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their stor-
age location to reduce the possibility of pe rsonal injury during a collision or sudden
braking.
NOTICE
■Driving with tire chains and the compact spare tire
Do not fit tire chains to the compact spare tire.
Tire chains may damage the vehicle body and adversely affect driving perfor-
mance.
■When replacing the tires
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure warning valve and trans-
mitter may be damaged if not handled correctly.

752
GS350_OM_OM30D41U_(U)
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. 7 3 7 )
Fit the parking brake release tool into
the screwdriver handle.
Take out the spare tire. ( P. 7 3 6 )
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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776
GS350_OM_OM30D41U_(U)
8-1. Specifications
Ty p e D
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)

781
GS350_OM_OM30D41U_(U)8-1. Specifications
8
Vehicle specifications
Tire information
Full-size tire
Compact spare tire
Typical tire symbols

782
GS350_OM_OM30D41U_(U)
8-1. Specifications
Tire size (P. 7 8 4 )
DOT and Tire Identification Number (TIN) ( P. 783)
Location of treadwear indicators ( P. 6 4 2 )
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. 7 8 8 )
Maximum cold tire inflation pressure ( P. 7 8 8 )
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 4 7 )
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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