The unit for mileage shown in your data can be easily changed inside your CarLock app.

To change info from kph to mph or vice versa, go to CarLock app on your phone -> click on ''dashboard'' (circle on the left side of the ''lock'' circle in the map screen) -> click ''settings'' (fourth icon from left to right) -> click ''units'' -> change to mph (imperial)

On iPhone app:

On Android app: