See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Hard Drive Device (HDD)
To use the HDD, tracks must be recorded from a CD, MP3 Disc, or USB device first. ...

Remote Vehicle Start
This feature allows you to start the engine from outside of the vehicle. It may also start up the vehicle's heating or air conditioning systems and rear window defogger. Normal operation of th ...