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:
Lamps On Reminder
For vehicles with the lamps on reminder light, it comes on when the lights are
in use. ...
Safety Locks
The rear door safety locks switch is on the instrument panel.
Rear door safety locks prevent passengers from opening the rear doors from inside
the vehicle.
Press to activate the safety locks. ...
Electronic Range Select (ERS) Mode
ERS or manual mode allows for the selection of the range of gear positions. Use
this mode when driving downhill or towing a trailer to limit the top gear and vehicle
speed. The shift position indi ...