Owner's Manual
Page 452
... show the different parts of a tire size. The letter P as the first character in the tire size means a passenger vehicle tire engineered to standards set by the U.S. (B) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have the date of manufacture...
... show the different parts of a tire size. The letter P as the first character in the tire size means a passenger vehicle tire engineered to standards set by the U.S. (B) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have the date of manufacture...