(Phone cam, so no enlargement.) It's really not as steep as it looks from there--
but it was too steep. After I'd walked the groceries back to the house and had lunch, I went out with a shovel to break up the ice in front of the car and see what happened, and the answer was Nothing. There it stays until there's some more effective thawing.
I tried going up my neighbor's driveway, which until I tried it I thought was less steep. That's how I'll have to take the Jeep out, I suppose. O the embarrassment, all die!