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For best traction during the Ontario winter season, it is recommended that a vehicle be equipped with:

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Bonne réponse : A. Four winter or all-weather tires with the same tread pattern

Four matching winter tires provide balanced grip front and rear. Mixing tires (two winter + two summer) creates uneven handling that can cause spins on slippery roads. Tires must also be clearly marked with the mountain/snowflake symbol or the M+S designation.