Curve Tips
• Take curves at a reasonable speed.
• Reduce speed before entering a curve.
• Maintain a reasonable steady speed through the curve . Wait until the vehicle is out of the curve before accelerating gently into the straightaway.
See also:
When Using the Manual Transfer Case
• Shifts into or out of Four-Wheel Drive Low or N (Neutral) should be made using quick motions to avoid excessive gear grinding.
Shifting slowly may make it more difficult to shift.
• You may no ...
Rear Window Defogger
The rear window defogger uses a warming grid to remove fog from the rear window.
(Rear Window Defogger):
Press to turn the rear window defogger on or off. The rear window defogger stays on for abou ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...





