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:
Feature Settings Menu Items
The following customization features allow you to program settings to the vehicle:
DISPLAY IN ENGLISH
This feature will only display if a language other than English has been set. This feature allow ...
Sunroof (Crew Cab)
Sunroof (Crew Cab)
A. Open or Close
B. Vent
On vehicles with a sunroof, the sunroof only operates when the ignition is in the ACC/ACCESSORY or ON/RUN or the Retained Accessory Power (RAP) is acti ...
Universal Remote System
Universal Remote System
Vehicles with the Universal Remote System will have these buttons located in the headliner.
This system provides a way to replace up to three remote control transmitters us ...