And I have no paper trail of parts replaced on my car that weren't needed. If, unfortunately, something goes wrong, there isn't a paper trail of what was replaced/done to my car in order for the 12mo/12k mile warranty period. The invoice has every nut and bolt replaced for the ball joint, thermostat, oil change, VAQ fluid, etc."The dealership took the time to properly identify and fix an issue after misdiagnosing it, and did so while only being charged for the lesser incorrect diagnosis. Should I be upset with them?"