Owner's Manual
Page 396
Tire Size The following the DOT (Department of Transportation) code is for temporary use only. 396 (G) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have the date of manufacture. (D)..., height, aspect ratio, construction type, and service description. The letter T as the first character in the tire size means a passenger vehicle tire engineered to 60 psi (420 kPa). GM's TPC specifications meet or exceed all federal safety guidelines. The letter P as the first character in...
Tire Size The following the DOT (Department of Transportation) code is for temporary use only. 396 (G) TPC Spec (Tire Performance Criteria Specification): Original equipment tires designed to GM's specific tire performance criteria have the date of manufacture. (D)..., height, aspect ratio, construction type, and service description. The letter T as the first character in the tire size means a passenger vehicle tire engineered to 60 psi (420 kPa). GM's TPC specifications meet or exceed all federal safety guidelines. The letter P as the first character in...