Owner's Manual
Page 383
The speed rating is the maximum speed a tire is for temporary use only. (G) Tire Performance Criteria Specification (TPC Spec): Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall...Tire and Rim Association. (B) Tire Width: The three-digit number indicates the tire section width in the tire size means a passenger vehicle tire engineered to -width measurements. the letter "D" means diagonal or bias ply construction; The load range represents the load carrying capacity a tire is used to...
The speed rating is the maximum speed a tire is for temporary use only. (G) Tire Performance Criteria Specification (TPC Spec): Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall...Tire and Rim Association. (B) Tire Width: The three-digit number indicates the tire section width in the tire size means a passenger vehicle tire engineered to -width measurements. the letter "D" means diagonal or bias ply construction; The load range represents the load carrying capacity a tire is used to...