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:
Window Lockout
(Window Lockout): If a
crew cab or extended cab vehicle has power windows, the driver door power window switch has a lockout feature. This feature prevents the rear windows from operating, except fr ...
Auxiliary Devices
The vehicle may have a 3.5mm (1/8 in) auxiliary input jack located on the lower right side of the faceplate and for vehicles with a USB port, it is located in the instrument panel storage area. ...
Unable to Connect to OnStar Message
If there is limited cellular coverage or the cellular network has reached maximum
capacity, this message may come on. Push Q to try the call again or try again after
driving a few miles into anoth ...