See also:

Features
The Denali comes with a long list of standard equipment to please passengers: Heated leather front seats, a Bose stereo with a six-disc CD changer, XM Satellite Radio and a three-zone air-conditio ...

Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service. Get subscription plan pricing and sign up for OnStar Vehicle Diagnos ...

Using the Auxiliary Input Jack
Radios with an auxiliary input jack located on the lower right side of the faceplate can connect to an external audio device such as an iPod®, MP3 player, or CD player, for use as another source for ...