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GMC Acadia/Acadia Denali Owner Manual - 2011
10-54 Vehicle Care
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 on the 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 recommen ds that you
get tires with the same TPC
Spec rating. This way, the
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 the 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 10‑39
for additional information.