See also:

Playing an MP3 CD-R or CD-RW Disc
The radio may have MP3 CD-R or CD-RW disc capability. For more information, see Using an MP3 later in this section. ...

Interior Glass
To clean, use a terry cloth fabric dampened with water. Wipe droplets left behind with a clean dry cloth. Commercial glass cleaners may be used, if necessary, after cleaning the interior glass wit ...

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. ...