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 ...

“Consumption unit” (Consump.)
This function enables to select the unit of measure for fuel consumption (km/l, l/100 km or mpg) according to the previously set distance unit (km or mi, see previous paragraph “Distance unit”). T ...

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 ...