Anyone know what the Black dot in the inside roof counsel .It points toward the passenger seat .It looks like a small camera .Reason i am asking is my 2004 Dodge durango 5.7 was built in 03 /2004 & mine has it & i bought 1 of ebay that was built in 06/2004 & it does not have one or even a place to mount my old one in .So i need to find out asap now i know if i need to return the one .So far i tryed looking it up but no luck .Please help >thank you