I agree totaly about cars having thier own personality. Hell I had a VW station wagon (type 3)that would stall everytime my wife drove it. But for me it would never stall.
There are some things you must never tell your car. 1. It's paid for. 2. It is out of warranty. 3. I am going to trade my car in.
I am an old VW mechanic, (they like me), they will perform for me with out question. I speak fluent volkswagen. The VW is probably the most independent automobile ever built. They have a true mind of their own and if they don't like you they will leave you stranded.