Q: I notice rust forming on disc brake rotors quickly — especially after damp or rainy days. I am concerned about my RV rotors rusting during storage. How much of a problem is this? What should I do ...

I've noticed that the brake discs (I think that's what they're called) on my new Infiniti G37 are covered in rust. I checked all around the car and all four rotors were rusty. My kids are grown and I ...