See also:

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 ...

Transmission
Electronic Range Select (ERS) Mode ERS mode allows you to choose the top-gear limit of the transmission and the vehicle's speed while driving downhill or towing a trailer. The vehicle has an electro ...

Pairing Information
• A Bluetooth phone with MP3 capability cannot be paired to the vehicle as a phone and an MP3 player at the same time. • Up to five cell phones can be paired to the Bluetooth system. • The pai ...