See also:

Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: ...

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 ratin ...

Knob Retainer
Floor mats with a knob retainer. Removing and Replacing the Floor Mat 1. Turn the knob until it is aligned with the slot in the floor mat grommet. 2. Pull up on the floor mat. 3. Center the slot ...