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:
Turning the System On and Off
The URPA system can be turned on
and off using the park assist button
located next to the shift lever.
The LED next to the park assist
button lights up when the system is
on and turns off w ...
Parking Brake and Automatic
Transmission P (Park) Mechanism
Check
WARNING:
When you are doing this check, the vehicle could
begin to move. You or others could be injured and
property could be damaged. Make sure there is
room in front of the vehicle in case it ...
Call Waiting
Call waiting must be supported on the Bluetooth phone
and enabled by the wireless service carrier to work.
• Press to answer an incoming call
when
another call is active. The original call i ...