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 ...

Easy Exit Driver Seat
This feature moves the seat rearward allowing the driver more room to exit the vehicle. To activate, turn the ignition off and open the driver door. If the driver door is already open, turning th ...

Daytime Running Lamps (DRL)/Automatic Headlamp System
Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. Fully functional daytime running lamps are required on all vehicles first sold in Canada. T ...