36 m3 wl, Replacing the battery in the speed transmitter – VDO M3WL User Manual
Replacing the battery in the speed transmitter
The battery in the speed transmitter
should be replaced
annually to guarantee seamless wireless transmission.
You need a 3 V 2032 battery.
We recommend using a branded battery from Sony,
Panasonic, Varta or Duracell.
How to replace the battery:
Use a coin to remove the battery compartment cover.
Remove the dead battery.
Wait for 10 seconds before inserting the new
battery. The electronics need this time to recognise that the
battery is being changed.
Insert the battery into the transmitter housing with the +pole
up. Ensure that the battery is not tilted.
Ensure that the rubber seal lies smoothly on the lid of the
Insert the battery compartment cover into the opening and
use a coin to turn it to right as far as it will go.