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:
Cleaning the Video Screen
When cleaning the video screen, use only a clean cloth dampened with clean water. Use care when directly touching or cleaning the screen, as damage could result. ...
Storing Radio Stations
A maximum of 36 stations can be stored as favorites using the six softkeys located below the radio station frequency tabs and by using the radio FAV button. Press FAV to go through up to six pages of ...
Interior details and flexibility
The GMC Terrain's rich, premium interior is influenced by industrial
sculpture and exudes refinement exemplified by contrast stitching and fine
materials that create a structured look throughout t ...