See also:

Auxiliary Devices
The navigation system has an auxiliary input jack located on the faceplate and in the center console. This is not an audio output; do not plug the headphone set into the front auxiliary input jack ...

Weatherstrips
Apply silicone grease on weatherstrips to make them last longer, seal better, and not stick or squeak. See Recommended Fluids and Lubricants  . ...

Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks. Each bulletin contains instructions to assist in the diagnosis ...