Leon1P did a write up.
Basicly there are the two slots at the bottom of the display, plus two other slots in the gap between the radio facia and the heater control panel (these are hard to spot, tourch may be required).
It looks at first as though the display panel should pop out, but the whole unit comes out.
IIRC Leon1P used some strips of stiff plastic to release the clips in the slots.