See also:

Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...

Tire Designations
Tire Size The examples show a typical passenger vehicle and light truck tire size. Passenger (P-Metric) Tire (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing syst ...

Power Liftgate
On vehicles with a power liftgate, the vehicle must be in P (Park) to operate. The taillamps flash when the power liftgate moves. WARNING You or others could be injured if caught in the path of th ...