^^^ Alpine, wash your car on a sunny day so the sun can dry the water so the locks/doors won't freeze shut. Or spray WD 40 in the locks to displace the water that gets in. I also used to rub cooking oil with a cotton ball on the rubber gaskets on the doors. That helped keep them from freezing shut.
Intro, I know the official start of spring, but I always wait til April 1st to celebrate the coming of spring. March is too sketchy, weather-wise, and too prone to winter outbursts.