Car rust is an unsightly addition to a car and excessive amounts can signal the impending death of a vehicle. Rust can spread like a rash across a vehicle, but if you manage it quickly, you can save a ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? An ominous brown stain on the fender. A bubble in the paint at the bottom of a door.