I recently had my xm antenna installed inside the rear brakelight on the decklid on my 2007 sc430 anyone that has questions can email me i have pics samborina@cox.net
After having the valve recall done there is a valve noise i can hear in the car..it almost sounds like a belt nois and goes up and down with the engine rpms. After a dealer towing my car he claims its all normal. Anyisight?