Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.
Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle in P (Park). To avoid excessive
drain on the battery, it is recommended that the headlamps are turned off.
2. Press the customization button to scroll ...
MP3/WMA Format
The Single CD and the Six-Disc
CD Radio will play MP3/WMA files
that were recorded on a CD–R or
CD–RW disc. The HDD Radio can
also play MP3/WMA files recorded
on DVD+/-R discs or stored on a ...
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer
for repair.
PARKING ASSIST OFF: This message occurs if the drive ...