So I open my door to notice a TINY spot of rust and paint chip on my driver door. I was able to snag a free paint pen for car at purchase from the dealer but I've never use it to cover a rust spot. If I don't remove all the rust would I be shooting myself in the foot? It is so small I rather not sand paper it down but I also don't want to let it spread and ruin things. Should I sand the area and use the paint pen after exposing the area?
Other suggestions?
Other suggestions?