Heiser Chevrolet

I got Mitsubishi Evolution, purchased with a bumper to bumper Warranty and day after transaction called them wiper sprayer doesn't work and they make up the story about intercooler being aftermarket, I told 'em I got warranty on the car they said CAN NOT fix cause it is Mitsubishi. ( fix it myself, dinn't have anything to do with intercooler) Week after got a courtesy follow up call but when I call back(even went there in person) that I noticed some other problem with the car they never called me back. I'll never step foot in this dealer despite the fact I got some free maintenance coupons