See also:

Playing a CD (In Either the DVD or CD Slot)
Insert a CD partway into the slot, label side up. The player pulls it in and the CD should begin playing. (Loading a disc into the system, depending on media type and format, ranges from five to 20 s ...

Navigation
OnStar navigation requires the Directions and Connections service plan. Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the v ...

Customer Satisfaction Procedure (U.S. and Canada)
Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or ser ...