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 interfere with the operation of the OnStar system and cause it to not operate.
See also:
Voice Pass-Thru
Voice pass-thru allows access to the voice recognition commands on the cell phone. See the cell phone manufacturer's user guide to see if the cell phone supports this feature.
To access contacts stor ...
Display Settings
Press the Config button on the
Home Page or the CONFIG button
on the faceplate, then select Display
Settings from the list.
The following options may display:
Dimming Mode: Press to change
t ...
Engine Drive Belt Routing
3.9L V6 Engine
4.6L V8 Engine ...