See also:

Vehicle Care/Appearance Materials
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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. ...

Hazard Warning Flashers
Hazard Warning Flasher: Press this button located on the instrument panel above the audio system, to make the front and rear turn signal lamps flash on and off. Press again to turn the flashe ...