After checking up on my car that is in storage for the next 6 months i noticed a little rust on the inside of the drivers side door. Seeing is how i'll be storing the car for the next 6 months does anyone think it'll spread? I'm keeping the car in a heated garage by the way.

 

nah, it shouldnt spread. as long as there is no moisture where it's sitting.

 

I agree, it won't spread. Dew, condensation, expansion, will exacervates the rust, but as it's in a heated garage, no problem.