Owner's Manual
Page 333
...does not cover this section for very responsive driving on the rear wheels, they tend to wear faster. Low-Profile Performance Tire (GXP) If your vehicle has low-profile tires, they are more road noise with low-profile performance tires and that they ...are designed for more detail. (B) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded...
...does not cover this section for very responsive driving on the rear wheels, they tend to wear faster. Low-Profile Performance Tire (GXP) If your vehicle has low-profile tires, they are more road noise with low-profile performance tires and that they ...are designed for more detail. (B) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded...