I just acquired a 2010 Chevy Equinox. Yesterday I noticed a light on the top of the dash in the center by the windshield. This light was blinking orange and then turned on solid orange. At that time the horn started honking off and on. My car was off with the drivers' side door open. I thought this light assembly was an auto headlight sensor but apparently not. The owner's manual was of no help. I hope someone here can help me.