84 Instruments and controls9 WarningHave the cause of the faultremedied immediately bya workshop.Belt tensioners, airbag system 3 46,3 49.Airbag deactivationV for front passenger airbagilluminates yellow.When the control indicator illuminatesthe front passenger airbag isactivated.* for front passenger airbagilluminates yellow.When the control indicator illuminatesthe front passenger airbag isdeactivated.Charging systemp illuminates red.Illuminates when the ignition isswitched on and goes out shortly afterthe engine starts.Illuminates when the engine isrunningStop, switch off engine. Battery is notcharging. Engine cooling may beinterrupted. The brake servo unit maycease to be effective. Seek theassistance of a workshop.Malfunction indicator lightZ illuminates or flashes yellow.Illuminates when the ignition isswitched on and goes out shortly afterthe engine starts.Illuminates when the engine isrunningFault in the emission control system.The permitted emission limits may beexceeded. Seek the assistance ofa workshop immediately.Flashes when the engine isrunningFault that could lead to catalyticconverter damage. Ease up on theaccelerator until the flashing stops.Seek the immediate assistance ofa workshop.Service vehicle soong illuminates yellow when thevehicle needs a service.Illuminates in combination witha warning message or a warningcode.Vehicle messages 3 90.Brake and clutch systemR illuminates red.Illuminates when the manual parkingbrake is released if the brake andclutch fluid level is too low 3 155.9 WarningStop. Do not continue yourjourney. Consult a workshop.Illuminates after the ignition isswitched on if the manual parkingbrake is applied 3 132.Electrical parking brakem illuminates or flashes red.