See also:

Changing the battery
If required, replace the battery with a genuine spare part having the same specifications. If a battery with different specifications is fitted, the service intervals given in the “Service schedule ...

Set clock
To adjust the time, press button (+) to increase minutes, button (–) to decrease minutes. Every press on the button increases or decreases by one unit. Keeping the corresponding button pressed o ...

Recirculation
Move slider (B) to . This function is particularly useful when the outside air is heavily polluted (in a traffic jam, tunnel, etc.). However, it is better not to use it for long periods, especial ...