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:
Rear Seats
The rear seat has adjustable headrests in the outboard seating positions.
The height of the headrest can be adjusted. Pull the headrest up to raise it. To lower the headrest, push down on the headres ...
Interior
Manual inside rearview mirrors can be adjusted by holding in the center to move
the mirror for a clearer view of behind the vehicle. Adjust the mirror to avoid
glare from the headlamps behind you. ...
Care of the CD and DVD Player
Do not add any label to a CD;
it could get caught in the CD or DVD player. If a CD is recorded on a personal computer and a description label is needed, try labeling the top of the recorded CD with a ...