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:
The Elephant
GMC has long combined ruggedness and elegance to good effect — consider the
Sierra pickup and Acadia crossover, for example. But the Terrain is one odd
duck. GM says it shares just a few body pa ...
Driving Characteristics and Towing Tips
WARNING
The driver can lose control when pulling a trailer if the correct equipment is
not used or the vehicle is not driven properly. For example, if the trailer is too
heavy, the brakes may not ...
Using the “Digit Store” Command
If an unwanted number is recognized by the system, say “Clear” at any time to clear the last number.
To hear all of the numbers recognized by the system, say “Verify” at any time.
1. Press a ...