Using the “Delete All Name Tags” Command
This command deletes all stored name tags in the Hands-Free Calling Directory and the OnStar Turn-by-Turn Destinations Directory, if equipped.
To delete all name tags:
1. Press and hold 
for two seconds.
2. Say “Delete all name tags.”
See also:
MP3 and WMA Supported Files
Format
The radio can play.mp3 or .wma files that were recorded onto a CD-R or CD-RW disc.
Compressed Audio or Mixed Mode Discs
The radio plays discs that contain both uncompressed CD audio and MP3/ ...
Manual Rearview Mirror
Hold the inside rearview mirror in the center and move it for a clearer view
behind the vehicle. Adjust the mirror to avoid glare from the headlamps behind you.
Push the tab forward for daytime us ...
Multi-Band Antenna
The multi-band antenna is on the roof of the vehicle. The antenna is used for
the AM&-FM radio, OnStar, the XM Satellite Radio Service System, and GPS (Global
Positioning System), if the vehic ...