Speaking of topping up your vehicle fluids, check out the condition of all your gear - boots included. If you don't, you may never know when a fail is lurking around the corner, like this one I experienced yesterday:
It never hurts to have a little duct tape in your kits:
p.s. Thank goodness I keep those snowmobile boots in the Jeep. They're awesome in super cold weather, particularly when you aren't mobile, and they made awesome back-up for my every day boots.