-8 today dropping to maybe -12 C add and inch or two total snowfall, I put the tarp on with a spray of ice melt under. In the morning I'll start the car. If the window has frost I'll leave the tarp on while I preheat then peel off the tarp and a spray or two with the wiper spray should take care of it.
The close up shows the magnet in the corner
Oh: one other nice thing for the trip I always have my trailer hitch rack for carrying inside unfriendly items (sloppy wet flat tire after a change). Awesome for overflow.