Try This
Press and hold the trip reset button.
Turn on the ignition while still holding the trip reset button you will hear the normal beeping noise.
Hold trip reset button until the service tool (little spanner) disappears and 3 dashes appear (- – -).
You can now release the button and the service interval/oil change light is reset
Vehicles on fixed interval servicing can be reset as follows
Press and hold button “A” (positioned right of trip recorder display)
Switch ignition ON
The word “SERVICE” will appear in the trip recorder display
Release button “A”
Turn button “B” (positioned left of trip recorder display) to the right to reset the display
Switch ignition OFF
This applies to fixed service intervals only appearently
Button “A” is the trip reset
Button “B” is the clock set