turn the ignition on

press and hold the re-circulate air button

press the up arrow

let go off all buttons

now select 17 degrees C

then press re-circulate button again

and your done thats your speed in mph if clock measures in degrees F and if its in degrees C its in kph

if u press up or down for another tempriture and press the re-circulatin key you in another function

you have 61 functions and the rest is diagnostics


ill send u what all the others do later


enjoy piece out

pm me if u wanna know how to change from kph to mph and visa versa