Satellite Radio Antenna
The XM Satellite Radio antenna is located on the roof of the vehicle.
Keep the antenna clear of obstructions for clear radio reception.
If the vehicle has a sunroof, the performance of the XM system (if equipped) may be affected if the sunroof is open.
See also:
Online Owner Center
Manage your vehicle (U.S.) at gmc.com. Click on “Owners,” then “Manage My GMC/Owners Login.”
Information and services customized for your specific vehicle — all in one convenient place.
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Memory Remote Recall
The memory feature can recall the driver seat, outside mirrors, and pedals, if equipped, to stored positions when entering the vehicle.
To activate, unlock the driver door with the Remote Keyless Ent ...
Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might get hot and no longer work well.
Vehicles can tow in D ...