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 ...
Ejecting a CD (Single CD Player)
EJECT: Press and release to eject the disc. Remove the CD when Remove Disc displays. If the disc is not removed, after several seconds the disc is automatically pulled back into the player. ...
Instrument Panel Illumination Control
The instrument panel brightness knob is located on the instrument panel to the left of the steering column.
(Instrument Panel Brightness): Push the knob in all the way until it extends out and the ...