See also:

Radio
To select preset or favorite radio stations: Press and release or to go to the next or previous radio station stored as a preset or favorite. ...

Storing Radio Stations
A maximum of 36 stations can be stored as favorites using the six softkeys located below the radio station frequency tabs and by using the radio FAV button. Press FAV to go through up to six pages of ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...