Len Hunt, Walter Hanek, Russ Hill, Harry Hartman and others regarding marketing plans, production plans, ...etc. I should have something interesting to report...

I've had a dreadful experience trying to get Audi to provide a radiator to repair my 99 A4. The Customer Relations department has stone walled and refused my request to escalate to executives. My insurance company tells me I'm not alone. Any suggestions on how to break through?