When I found out my 650 was set up for Sirius Radio I decided to have one installed. I found a used module in CA and purchased it for $195.00. I live in SW Florda so I brought it to the dealer just south of my home. I arrived at 8:00 AM and waited until 5M until they informed me it wasn't finished with the reprograming and that I had to rent a car to get home that night. Furious!! Next day I pick up the car and it still does not work. Dealer wants $750.00 for a new module and reprogram. I pay $235.00 to get my car back. I got home and decided to pull the trunk apart and install the module again - myself. Called Sirius and had them send a signal and wonder of wonders, beautiful music. When you go the dealer for anything, hold on, they will suck the blood out of you!!!!!!!!