For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningPandora Internet Radio
Pandora® (if equipped) is a free Internet radio service that streams personalized
radio stations based on artists, songs, genres, and comedians. Create stations using
the Pandora website or smartphone application, then use
(thumbs up) or
(thumbs down) to personalize stations.
To set up an ...
StabiliTrak® OFF Light
This light comes on briefly while starting the engine. If it does not, have the
vehicle serviced by your dealer.
This light comes on when the StabiliTrak system is turned off.
If StabiliTrak is off, the Traction Control System (TCS) is also off.
If the TCS is off, the system does not assist i ...
Auxiliary Devices
If equipped, the AUX inputs are in the center console and allows portable devices
to connect to the vehicle using the 3.5 mm(1/8 in) auxiliary jack or USB port.
3.5mm Jack
Connect a 3.5mm (1/8 in) cable to the auxiliary input jack to use a portable
audio player.
Playback of an audio device th ...