Guys, need a little help. When I purchased my 04 A4 I never had to place my foot on the brake to shift the car from park (key or no key) I was in my mid twenty's and didn't really care. Fast forward to today and I was going to trade it in or do a kbb instant cash offer, I was told they couldn't take the car because the brake lock not working is a safety issue. I don't know much about the interlock solenoid or what it even looks like but every sight I've gone to do far says the part is no longer available for my car. Can someone please help me find the part number for an 04 A4 brake interlock solenoid? Or maybe any others suggestions on what else could cause the shifter not to lock? Thank in advance.