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:
Using the USB Port
For vehicles with a USB port, the connector is located in the instrument panel storage area.
See Instrument Panel Storage on page 4‑1 for more information.
Radios with a USB port can control a ...
Tips and Troubleshooting Chart
Problem
Recommended Action
There is no power.
The ignition might not be turned to ON/RUN or ACC/ACCESSORY.
The picture does not fill the screen. There are black bord ...
Trailer Brakes
Does the trailer have its own brakes? Be sure to read and follow the instructions
for the trailer brakes so they are installed, adjusted, and maintained properly.
Because the vehicle has antilock b ...