Setting the 12/24 Hour Format
1. Press the CONFIG button and
select Time Settings,
or press 
.
2. Highlight 12/24 Hour Format.
3. Press SELECT to select the 12 hour or 24 hour display format.
See also:
Lighting
Select the Lighting menu and the following will be displayed:
Exit Lighting
Vehicle Locator Lights
Exit Lighting
This allows the selection of how long the exterior lamps stay on when leaving ...
Heated Mirrors
The vehicle may have heated mirrors:
(Rear Window Defogger): Press to
heat the mirrors.
See “Rear Window Defogger” under Climate Control Systems for more information. ...
Unable to Connect to OnStar
Message
If there is limited cellular coverage
or the cellular network has reached
maximum capacity, this message
may come on. Push to try the
call again or try again after driving a
few miles into ...