Philips sonicare Advance 4000 Série Mode D'emploi page 12

ENGLISH
12
C
4 Turn the screwdriver handle sideways, using twisting and prying
motions, to crack open the handle along its side seams.
C
5 Pull the 2 handle sections completely apart.
C
6 Insert the screwdriver underneath the electronic circuit board
in multiple places.
C
7 Twist and pry the electronic circuit board loose until it is
completely separated from the handle.
C
8 Pry the 2 AA-sized cylindrical nickel-cadmium batteries loose
by inserting the screwdriver on the sides of the two batteries
in the locations shown in the figure.