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:
Ending a Call
Press to end a call. ...
Fuses and Circuit Breakers
If the vehicle is a hybrid, see the hybrid supplement for more information.
The wiring circuits in the vehicle are protected from short circuits by a combination of fuses, circuit breakers and fusibl ...
Reporting Safety Defects to the United States Government
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addi ...