Siemens Life micon User Manual page 12

Inserting:
Remove the protective film from the new bat-
u
tery.
Insert the battery with the "+" symbol
u
facing up (refer to the picture).
Carefully close the battery compartment. If you feel
u
resistance, the battery is not inserted correctly.
Do not attempt to close the battery compartment by
force. It can be damaged.
12 Batteries