Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-GMC-8782 (1-800-462-8782), or write:
GMC Customer Assistance Center
P.O. Box 33172
Detroit, MI 48232-5172
In Canada, call 1-800-263-3777
(English) or 1-800-263-7854
(French), or write:
General Motors of Canada Limited
Customer Care Centre, Mail Code:
CA1-163-005
1908 Colonel Sam Drive
Oshawa, Ontario L1H 8P7
See also:
Cleaning Exterior Lamps/Lenses and Emblems
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps and lenses.
Follow instructions under "Washing the Vehicle" later in this section. ...
Front Wiper Blade Replacement
To replace the front wiper blades:
1. Lift the wiper arm from the windshield until no further movement is possible.
2. Press the square button on the top side, at the end of the wiper arm, and
p ...
Brake Assist
This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature uses the stability system hydraulic brake co ...