Key Battery, Removing And Installing: Installing: Notes
NOTE:
Before installing the battery, one of the buttons must be pushed.
This resets the radio-frequency unit, and it can now recognize the new battery.
Note the polarity and installation position when installing the battery. The positive terminal is marked.
-- Insert the battery -2- by pressing it lightly in direction of -arrow a- into the battery compartment.
-- Push the battery compartment cover -1- and the radio-frequency unit -3- together.