http://www.nokiantires.com/ A detailed explanation on why winter tires are important. Nokian Tyres Hakkapeliitta 5, Hakkapeliitta 5 SUV, Hakkapeliitta R, Hakkapeliitta R SUV, WR G2, and WR G2 SUV vs competitors premium winter tires and all season tires. The World's Leader in Winter Tire Technology. Winter Tires Save Lives. Have questions about Nokian Tyres' please try our Frequently Asked Questions Page which may have the answer for which you are looking. (http://www.nokiantires.com/faq) If you still have a question, comment or feedback for Nokian Tyres, please email us at: General Questions: NorthAmerica@nokiantyres.com Customer Service: CustomerserviceNA@nokiantyres.com Technical Questions: TechnicalNA@nokiantyres.com Becoming a Nokian Dealer: NorthAmerica@nokiantyres.com Or you can call us: 1-800-565-2525 US and Canada Operating hours are from 8am to 5pm Eastern Standard Time, Monday to Friday, excluding statutory holidays. We look forward to serving you!