Problems with the seat ventilation

The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on.

which you Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting.

    See also:

    Setting the side air vents
    To open/close: turn thumbwheel 3 up or down. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

    Purity
    Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wor ...

    Load index
    In addition to the load bearing index, the load index may also be imprinted on the sidewall of the tire. This specifies the load bearing capacity more precisely. ...