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:
Windshield Replacement
If the vehicle is equipped with the Head-Up display (HUD) system and the windshield needs to be replaced, get one that is designed for HUD or the HUD image may look out of focus. ...
If Steam is Coming from the Engine Compartment
WARNING
Steam from an overheated engine can burn you badly, even if you just open the
hood. Stay away from the engine if you see or hear steam coming from it. Just turn
it off and get everyone aw ...
Chemical Paint Spotting
Airborne pollutants can fall upon and attack painted vehicle surfaces causing blotchy, ring-shaped discolorations, and small, irregular dark spots etched into the paint surface. ...