Go to page 83 of your owner's manual : "setting the units of measurements"
- power ignition = on
- enter in the configuration menu : press button 2 (bottom) during 2 seconds (page 61 with a mistake on button's number...)
- select "Units" with button 1 (top) or 2 (bottom)
- click on button 4 (turnsignal) when "Units" is selected
- with button 1 or 2, select the parameter you want to set up, eg. speed
- use button 4 to exit and go back to the menu
When you've selected the "speed" parameter, click on button 4 to enter in the setting function.
The speed unit is then displayed.
Using button 1 or 2, you can change it.
When you've chosen the right unit, click on button 4 to save the choice, then the "speed" indication is displayed again.
Click on button 2 until "exit" blinks, then click on button 4 to exit.