Driving safety and aquaplaning indicator

Driving Safety Indicator (DSI) patented by Nokian Tyres has been made easier to use than ever before. The numbers indicating the groove depth and the water drop symbol indicating a risk of aquaplaning have been rotated to be immediately visible to a driver inspecting the tyres installed on a vehicle. The water drop symbol disappears at the point that less than four millimetres of tread are remaining, indicating thereby an increased risk for aquaplaning.

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