See also:

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

Auxiliary Devices (Radio with CD/DVD and MEM)
The optional AUX input allows portable devices to be connected using the 3.5mm (1/8 in) input jack or the USB port. Portable devices are controlled by using the menu system described in Operation ...

Reverse Tilt Mirror
This allows you to turn the reverse tilt mirror feature on or off. When on, both the driver and passenger mirrors will tilt downward when vehicle is shifted to R (Reverse) to improve visibility of t ...