My cousin was driving the dirt road to our lease, about 40mph, in the dark, and a nice buck came out of the ditch, hit his left front tire from the side, then ass careened into his drivers door, setting off the door curtain bags like yours apparently. Odd thing about it...there was about 10 inch long stripe of deer hair about 1 inch wide pinched in the bead between the tire/wheel. You couldn't pull it out hardly, it was embedded so deep. Looked perfectly trimmed, like a groucho marks mustache. He hit that 10 ply tire hard, and then hit the door hard enough to set off the air bag. Cousin said it was pretty heavy collision out of nowhere, startled him bad enough between that and the air bag that he almost ran into the ditch. 6 month old $80k ford truck. He was pissed.