See also:

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 ...

Adjusting the Seats
To adjust the second row seats, pull outward on the seat adjustment handle (A). Slide the seat forward or rearward to the desired position. Release the handle, and push and pull on the seat to make s ...

Express-open/Express-close
Press and release the front or rear of the driver side switch to express-open or express-close the sunroof. ...