Rules of the Road
A tire with a three-peak mountain and snowflake symbol is labelled as:
Show Answer & Explanation
Correct Answer: B. A tire built for severe snow service
The three-peak mountain/snowflake (3PMSF) symbol meets a tested snow-traction threshold. M+S-rated tires (mud and snow) without this symbol do not meet the winter standard. Insurance discounts require 3PMSF-marked tires.
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