163Climate controlAuxiliary heating/ventilation 3If the engine is switched off, the interior isheated or ventilated d epending on thevalues that hav e been set and the interiortem perature.The regulation is in ac corda nc e with themost recent temp erature settings in theElectronic Climate Control system –see page 158. When the sy stem is sw itchedon, the temperature setting can b e v ariedusing the outer rotary k nobs.The air is direc ted to the windsc reen a ndthe front door wind ow s if the V button ispressed before switching the ignition off.Direct a ctiv ationFor immediate activation with the ignitionon, select menu item Par king heater andthen m enu item On from the manualsettings menu.When the sy stem is activated, the controlindicator in the AUTO button willilluminate.The sy stem switches itself off automaticallyafter a maximum of 60 minutes, dependingon the values that have been set and theinterior temperature.For early dea ctiv ation, press the AUTObutton or select menu item Pa rking heaterand then menu item O n onc e ag ain.ClimateAir distribut.ACAutom. blowerAuto. recircParking heater9 WarningDo not switch aux iliary heater on in fillingstations or closed spaces – risk of fire orinjury .Parking heaterStart 1Start 2Start 3OnSetting