See also:

Glove Box
Lift the glove box handle to open it. Use the key to lock and unlock the glove box. ...

Setting the Tone (Bass/Midrange/Treble) (All Except AM-FM Radio and Radio with CD)
BASS/MID/TREB (Bass, Midrange, or Treble): To adjust the bass, midrange, or treble: 1. Press the knob until the tone control tabs display. 2. Highlight the desired tone control tab by doing one 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. ...