Key Battery, Removing And Installing: Installing: Notes
WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.
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 -arrow a- into the battery compartment.
-- Push the battery compartment cover -1- and the radio-frequency unit -3- together -arrow b-.