I accidentally drove my car over a curb a while back. As you probably already know, the car suffered from minor scratches and dents on the bottom side, near the rear tyre. Now, I've noticed that it's now slowly developing rust on the scratched paintwork. The rust isn't too bad, i.e. the rust part still feels pretty solid.
How do you effectively deal with this kind of problem (other than telling me to drive more carefully)?