speedo

hi all

ok i have two major issues.

First is that i was unable to change digital odo back to kilometers and i have a skoda octavia 2006 1.9 tdi

my odometer is in kilometers but middle display shows miles. Even when i took it to dealership they told me it is locked to miles ??

I know my skoda was imported from England and i know there is a way to change digital odometer to shows everything in kilometers.

Second issue i have is that my odometer analog one shows more kmph than normal, somewhere 20 kmph more ??

( for example i know im going 60 kmph , but it shows me i am doing 85 kmph ) ???

Anyone had this issue ?

Help greatly appreciated