bumpers

I have a white 2012 Genesis that has only 40,000 miles and is garaged most of the day everyday. The plastics all the way around are turning brown or becoming oxidized. The car is out of warranty so the dealership won't take any action. Its a very beautiful car but this is a major...

I know this topic has been discussed here before, but I wonder if the exhaust Soot that builds up on my car is not normal. Maybe it's because I have a white car? I have black exhaust soot/dust that builds up quickly all over my back bumper not just near the exhaust area but up to my trunk and...