I have had the head light in my Cadillac fixed twice now its time for my inspection and they say I have to pay to get it fixed again. I think its a defect cause the first time I had it fixed at the Cadillac GMC dealership. Also my transfer case is messed up when I take off it makes a thud sound. Anyone know how much it cost to fix a transfer case. Stability system light has been since five months after buying the car.