See also:

Where Are the Airbags?
The driver frontal airbag is in the middle of the steering wheel. The right front passenger frontal airbag is in the instrument panel on the passenger side. Driver Side Shown, Passenger Side ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

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 ...