I have a 2009 Pontiac Vibe, 1.8L, manual trans vehicle. Been running the OEM tires, Goodyear Eagle RSA, P205/55/R16 since I purchased it in Sept of 2008. I live in South East Michigan and now I am ready to get a set of winter tires & rims, no way I am going to run this winter with crappy all sea...

I have a 2009 Vibe( manual transmission, 4cyl ) with 42,0000 miles on it. I've been changing the oil, rotating tires, replacing air filter as specified in the owners manual but when should the following be done. I live in Michigan so I get all the nice cold weather extremes 1) Radiator flush. Should...