Nothing works better than WD-40 for tar, just spray on, let sit for a couple of minutes and wipe off with a rag.

I agree these are the worst tires I have ever had in the snow and ice. They were totally useless in deep snow and we get 6 months of it here (Saskatchewan) We only have 30,000km on the car and these tires are almost done. We purchased a set of Nokian Q winter tires, they cost almost $1000 but they w...