Instruments and controls 71Diesel particle filter8 illuminates yellow.Illuminates when the diesel particlefilter requires cleaning 3 93.Engine oil pressureI illuminates red.Illuminates when the ignition isswitched on and goes out shortly afterthe engine starts.Illuminates when the engine isrunningCautionEngine lubrication may beinterrupted. This may result indamage to the engine and/orlocking of the drive wheels.1. Depress clutch.2. Select neutral gear, set selectorlever to N.3. Move out of the flow of traffic asquickly as possible withoutimpeding other vehicles.4. Switch off ignition.9 WarningWhen the engine is off,considerably more force is neededto brake and steer.Do not remove key until vehicle isstationary, otherwise the steeringwheel lock could engageunexpectedly.Check oil level before seekingassistance of a workshop 3 114.Low fuelY illuminates yellow.Illuminates when level in fuel tank istoo low; refuel immediately 3 108Catalytic converter 3 93.Bleeding the diesel fuel system3 119.Exterior light9 illuminates green.Illuminated when the exterior lightsare on 3 77.High beamP illuminates blue.Illuminated when high beam is on andduring headlight flash 3 78.Fog light> illuminates green.Illuminated when the front fog lightsare on 3 79.Rear fog lightr illuminates yellow.Illuminated when the rear fog light ison 3 80.Cruise controlm, U illuminates green.