See also:

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 ...

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) sy ...

Exterior Lighting
The exterior lamp control is located toward the end of the turn signal/lane change lever. : Turn the band with this symbol on it to operate the exterior lamps. The exterior lamp control h ...