Just change the background / grid of the speedometer with the custom one ?

Quote from himself :

Just change the background / grid of the speedometer with the custom one ?

That's actually great idea. Good alternative thinking

At 100kph most speedos read 94-96kph. The car magazines usually put these results in when they review cars and they all seem to be similar.

Quote from himself :

Just change the background / grid of the speedometer with the custom one ?

That is a good idea once I have found out how slow the speedo is.