34 Keys, doors and windowsPress and hold c button to openwindows.Press and hold e button to closewindows.Release button to stop windowmovement.If the windows are fully opened orclosed, the hazard warning lights willflash twice.OverloadIf the windows are repeatedlyoperated within short intervals, thewindow operation is disabled forsome time.Initialising the power windowsIf the windows cannot be closedautomatically (e.g. afterdisconnecting the vehicle battery), awarning message or a warning codeis displayed in the Driver InformationCentre.Vehicle messages 3 121.Activate the window electronics asfollows:1. Close doors.2. Switch on ignition.3. Pull switch until the window isclosed and keep pulling foradditional 2 seconds.4. Repeat for each window.Heated rear windowOperated by pressing the Ü button.Heating works with the enginerunning and is switched offautomatically after a short time.Depending on the engine type, theheated rear window comes onautomatically when the diesel particlefilter is being cleaned.Sun visorsThe sun visors can be folded down orswivelled to the side to preventdazzling.
