We have all seen the commercials. A guy walks into a junkyard and finds a weathered-looking car with severely faded paint, and with one swipe of the “miracle” product, it suddenly looks factory-new ...

We may receive a commission on purchases made from links. I've been using WD-40 since I got hooked on cars, and it does work in removing minor imperfections in car paint. For instance, it's one of the ...