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:
Service Parts Identification Label
This label, on the inside of the glove box, has the following information:
○ Vehicle Identification Number (VIN).
○ Model designation.
○ Paint information.
○ Production opt ...
Trailer Towing
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information.
If the vehicle is a hybrid, see the hybrid supplement for more information.
Do not tow a trailer during br ...
Languages
The vehicle supports English, French (Canadian), and Spanish. The default language
is English. To change the display language, see Vehicle Personalization on page
5‑33 for more information. ...