allthefaultinourstar said "so the blow dryer worked and drying the door frame as well then the door was opening and closing,for the rest of the day then the next day it would not open again,so today I bought Jigga lub is what the mechanic told me at Canadian Tire,and did what you said and it was opening on its own after so I will see what happens tomorrow morning again lol. "
Some people neglect to clean the snow off the roof of the vehicle. This can cause a repeat of the door freezing shut. Some roofs are more difficult to completely de-snow than others. Just a thought.