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:
Entering the Feature Settings Menu
1. Turn the ignition on and place the vehicle in P (Park).
To avoid excessive drain on the battery, turn the headlamps off.
2. Press the customization button to scroll through the available customiz ...
Empty Folder
Folders that do not contain files are skipped, and the player advances to the next folder that contains files. ...
Cleaning the Video Screen
Use only a clean cloth dampened with clean water. Use care when touching or cleaning
the screen as damage could result. ...