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Buying New Tires
GM has developed and matched specific tires for
your vehicle. The original equipment tires installed
on your vehicle, when it was new, were designed
to meet General Motors Tire Performance Criteria
Specification (TPC Spec) system rating. If you
need replacement tires, GM strongly recommends
that you get tires with the same TPC Spec rating.
This way, your vehicle will continue to have tires
that are designed to give the same performance
and vehicle safety, during normal use, as the
original tires.
GM's exclusive TPC Spec system considers over
a dozen critical specifications that impact the
overall performance of your vehicle, including
brake system performance , ride and handling,
traction control, and tire pressure monitoring
performance. GM's TPC Spec number is molded
onto the tire's sidewall near the tire size. If the
tires have an all‐season tread design, the TPC
Spec number will be followed by an MS for
mud and snow. See Tire Sidewall Labeling
on
page 6‑59
for additional information .
GM recommends replacing tires in sets of four.
This is because uniform tread depth on all tires
will help keep your vehicle performing most like it
did when the tires were new. Replacing less
than a full set of tires can affect the braking
and handling performance of your vehicle.
See Tire Inspection and Rotation
on page 6‑73
for information on proper tire rotation.
{
WARNING:
Mixing tires could cause you to lose control
while driving. If you mix tires of different
sizes, brands, or types (radial and
bias-belted tires), the vehicle may not
handle properly, and you could have a crash.
Using tires of different sizes, brands, or types
may also cause damage to your vehicle.
Be sure to use the correct size, brand, and
type of tires on all wheels. It is all right to
drive with your compact spare temporarily,
as it was developed for use on your vehicle.
See Compact Spare Tire
on page 6‑114
.
6-76