OnStar Services
See also:
Manual Seats
Manual Seats
A. Seat Adjustment Handle
B. Driver Seat Height Adjustment Lever
C. Seatback Lever
To adjust a manual seat:
1. Lift the handle (A) under the seat to unlock it.
2. Slide the seat ...
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 ...
Connections
OnStar Hands-Free Calling allows calls to be made and received from the vehicle.
The vehicle can also be controlled from a cell phone through the OnStar mobile app.
See www.onstar.com for coverage ...





