Nokian Tyres DSI and WSI

Peace of Mind with Nokian Tyres' Driving Safety Indicators

Know Your Tread Depth Instantly with Nokian Tyres DSI and WSI

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At Nokian Tyres, we believe in making your journey as safe and enjoyable as possible. That's why we developed the Driving Safety Indicator (DSI) and Winter Safety Indicator (WSI): to help drivers monitor the condition of their tires easily and effectively.

The DSI and WSI display the remaining tread depth directly on the tire, allowing you to see at a glance when it's time to replace your tires.

Benefits of Using DSI and WSI

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Peace of Mind

Know exactly when to replace or switch position of (rotate) your tires without any guesswork. 

Enhanced Safety

Keep your tires in optimal condition for a smooth and secure ride.

Effortless Monitoring

Quick and easy checks mean more time enjoying your journey.

How DSI and WSI Works

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Nokian Tyres' DSI (Driving Safety Indicator) and WSI (Winter Safety Indicator) are located on the center surface of the tire and show the depth of the tire's main groove in millimeters, helping you to monitor the condition of your tires.

These symbols come in two variations:

As the tire wears down, these symbols gradually fade away, indicating the remaining tread depth, helping you keep track of your tire's condition and ensuring optimal performance and safety.

Why is Tread Depth Important?

Tread depth is essential for ensuring your tires provide optimal grip and performance on the road. As tires wear down, their ability to handle wet and slippery conditions decreases. The DSI helps you monitor your tire's tread depth, so you can replace them in a timely manner to enhance road safety and enjoy your journey. 

When is it time to get new tires?

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For DSI (Driving Safety Indicator)

When the number "4" wears away, it indicates that the tire's hydroplaning capabilities are no longer optimal, and it's time to consider replacing the tire.  

When the water drop symbol wears away, the tire should be replaced immediately. 

For WSI (Winter Safety Indicator)

For winter tires, the WSI includes a snowflake symbol. When this symbol wears away, it signals that the tire is no longer optimal for winter conditions and should be replaced. 

Experience the safety and reliability of Nokian Tyres

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