So i took my car to the carwash and after that my car would overheat. i would nurse it back home. and it would overheat again. the good mechanic i now take my car to (because dealers are crap!) figured out the fan module was burnt out. the fan is needed when there is not enough air speed is cooling your car. like stoplights at the intersection or at drive through fast food. i asked if they knew what caused the short and they didn't. of course you have to pay 1000 to find a short in the wiring sometimes. so i knew it was possible for this problem to happen again. i know there is some shorts with the interior light system as well. its great that Mexico has more jobs but i don't know if making car's is there specialty. German cars cannot be called German if its made in another country.