Vehicle Checks
See also:
Tire Designations
Tire Size
The following is an example of a
typical passenger vehicle
tire size.
(A) Passenger (P-Metric) Tire:
The United States version of a
metric tire sizing system. The
letter P as th ...
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)
...
Tire Pressure
Tires need the correct amount of
air pressure to operate
effectively.
Notice:
Neither tire
underinflation nor
overinflation is good.
Underinflated tires, or tires
that do not have enough ...
