Key Battery, Removing And Installing: Removing
-- Remove the emergency key.
-- Guide a small screwdriver -2- into the now free opening -arrow a-.
-- Turn the screwdriver -2- -arrow b- so that the lock -3- opens.
-- Pry out the cover.
-- Pry up the battery -1- with a small screwdriver -3- -arrow a-.
-- Remove the battery -1- from the battery compartment -2- -arrow b-.