2006 Gmc Sierra Does Black Button Knob By Map Lights

2006 GMC SIERRA
74,000 MILES
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ANONYMOUS
  • MEMBER
  • 1 POST
What does the black button or knob up by the map lights do?
Jan 27, 2013 at 4:14 PM
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GMTECH
  • ✓Experienced Mechanic
  • 537 POSTS
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 8:02 AM
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