GMC Sierra
Sierra is a 4-door, up to 6-passenger full size pickup.
See also:
Automatic Transmission
The automatic transmission shift lever is located on the console between the
seats.
P (Park): This position locks the front wheels. Use P (Park) when starting the
engine because the vehicle can ...
Customer Satisfaction Procedure (Mexico)
Did you get the Warranty Extension Plan? This plan is recommended by General Motors to supplement the warranty included with the new vehicle purchase.
See your dealer for details.
Customer Assista ...
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 ...





