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How do they clock digital cars?

Even with modern digital odometers, car clocking is still possible using specialist electronic tools. These devices connect to the car's onboard computer system and can reprogram the mileage displayed. While more complex than winding back old mechanical dials, the technology to do so is readily available, making the new ban crucial for consumer protection.

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Winding back a car's mileage dial to be banned for dealers

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