Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Fuel Gage
When the ignition is on, the fuel gage tells you
about how much fuel you have remaining.
Here are four things that some owners ask about.
None of these show a problem with your fuel gage:
...
Setting the Clock (Radio with CD and Touchscreen)
The clock is in the center stack display.
To set the time:
1. Press the CONFIG button to enter the menu options or press
. Turn the TUNE/MENU knob to scroll
through the available setup features. ...
Door Unlock Options
This allows selection of which doors
will unlock when pressing on the
RKE transmitter.
Press SELECT when Door Unlock
Options is highlighted. Turn the
Menu knob to select All Doors or
Drive ...