DAF 2007 year change km

[verica]

hi to all have this truck 2007 year dash siemens vdo (inside 24c32 mb90f394ha) and digital tachograf vdo
i need help how to diasemble this tachograf and do i need to change km in booth (dash ,tachograf) or only in tachograf like older trucks :hmmmm2:

[ozibo]

milleage stored in tachograph no stored in dashboard.