2006 Gmc Sierra What Does the Black Button or Knob Up by the Map Lights Do

2006 GMC SIERRA

74,000 MILES

ANONYMOUS

What does the black button or knob up by the map lights do?

Jan 28, 2013 at 12:14 AM

GMTECH

Is there a set of 2 or three switches there. it could be for your garage door opener. what does it look like

Jan 31, 2013 at 4:02 PM