When It Is Time for New Tires; Buying New Tires; Vehicle Care- Page 305

2022 Buick Encore GX Owner Manual

Model Year
2014 Dodge Charger SRT Owner Manual

Table of Contents

22_BUI_Encore_GX_OM_en_US_U_84783953B_2021JUN07_2P
08-Driving and Operating_en_US
Driving and Operating
09-Vehicle Care_en_US
Vehicle Care
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Buick Encore GX Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-

15481080) - 2022 - CRC - 6/1/21

304

Vehicle Care

{

Warning

Do not apply grease to the wheel
mounting surface, wheel conical
seats, or the wheel nuts or bolts.
Grease applied to these areas could
cause a wheel to become loose or
come off, resulting in a crash.

When It Is Time for New Tires

Factors, such as maintenance, temperatures,
driving speeds, vehicle loading, and road
conditions affect the wear rate of the tires.

Treadwear indicators are one way to tell
when it is time for new tires. Treadwear
indicators appear when the tires have only

1.6 mm (1/16 in) or less of tread remaining.
See

Tire Inspection

0

302

and

Tire Rotation

0

303

for additional

information.

The rubber in tires ages over time. This also
applies to the spare tire, if the vehicle has
one, even if it is never used. Multiple factors
including temperatures, loading conditions,
and inflation pressure maintenance affect
how fast aging takes place. GM recommends
that tires, including the spare if equipped,
be replaced after six years, regardless of
tread wear. To identify the age of a tire, use
the tire manufacture date, which is the last
four digits of the DOT Tire Identification
Number (TIN) molded into one side of the
tire sidewall. The last four digits of the TIN
indicate the tire manufactured date. The
first two digits represent the week and the
last two digits, the year. For example, the
third week of the year 2020 would have a
4-digit DOT date of 0320. Week 01 is the
first full week (Sunday through Saturday) of
each year.

Vehicle Storage

Tires age when stored normally mounted on
a parked vehicle. Park a vehicle that will be
stored for at least a month in a cool, dry,
clean area away from direct sunlight to slow

aging. This area should be free of grease,
gasoline, or other substances that can
deteriorate rubber.

Parking for an extended period can cause
flat spots on the tires that may result in
vibrations while driving. When storing a
vehicle for at least a month, remove the
tires or raise the vehicle to reduce the
weight from the tires.

Buying New Tires

GM has developed and matched specific
tires for the vehicle. The original
equipment tires installed were designed
to meet General Motors Tire
Performance Criteria Specification (TPC
Spec) system rating. When replacement
tires are needed, GM strongly
recommends buying tires with the same
TPC Spec rating.

GM's exclusive TPC Spec system
considers over a dozen critical
specifications that impact the overall
performance of the vehicle, including
brake system performance, ride and
handling, traction control, and tire
pressure monitoring performance. GM's

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  • 1.6 mm (1/16 in) or less of tread remaining.

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