super rebuilt in 5 minutes

You have the key to a coin like unfolding for battery changes, rebuild the battery and insert the printed circuit board in the new housing. The key itself is held by a small bolt to have to a watchmaker thorn out slide (like a strap) then the empty keys are pulled out of the holder and the old keys are reinstated. The Peugeot logo still detach with a knife and stick it on the new housing.