Driving Safety Indicator (DSI)

The tread surface is equipped with the Driving Safety Indicator (DSI), patented by Nokian Tyres and favoured by drivers who value safety and carefree operation. The numbers indicating the groove depth and the water drop symbol indicating the risk of aquaplaning are immediately visible to a driver inspecting the tires installed on a vehicle. The water drop symbol disappears at the point that less than four millimeters of tread are remaining, indicating an increased risk for aquaplaning.

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