06 07 08 OEM Cadillac STS Onstar Communications Module Unit Computer 15810848

PART: ONSTAR COMMUNICATION MODULE. MODEL: STS. MAKE: CADILLAC. ANY REQUESTS AFTER A WEEK WILL NOT BE EFFECTIVE. DOUBLE AND TRIPLE CHECK TO MAKE SURE THE PART FITS YOUR VEHICLE! YOU ARE RESPONSIBLE FOR MAKING SURE THE LISTED PART FITS YOUR VEHICLE.