crawl underneath the rear of the car. if you see a rear differential, you have AWD. I think the power distribution for AWD DSMs are 60 front 40 rear. Bald tires will still play a roll but you will still get much better traction.
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"So...is there any tread left on the tire..or at this point would it be like throwing a hotdog down a hallway"
-Stewie (Family Guy)