How to convert mph to km/h for Canadian riders:
1. Hold 'PLUS' and 'MINUS' signs for about 2 seconds to enter the settings, the first number flashing is the maximum riding speed setting interface
2. Press the power button once again to switch to the next setting wheel diameter.
3. Press the power button once again to the final setting Metric and Imperial units.
4. Press the 'PLUS' or 'MINUS' button to switch to KM/H or MPH.
5. Hold power button for few seconds to save the setting and exit to normal display.