102 Instruments and controlsDrain diesel fuel filterIf there is water in the diesel fuel filter,the message InSP4 appears in theinstrument panel. Consult aworkshop.LightingImportant exterior lights, includingcables and fuses, are monitored. Intrailer mode, trailer lighting is alsomonitored. Trailers with LED lightingmust have an adapter that enableslight monitoring as with conventionalbulbs.The failed lighting will be indicated inthe information display or themessage InSP2 will appear in theinstrument panel display.Anti-theft alarm systemSystem fault in anti-theft alarmsystem. Have the cause of the faultremedied by a workshop.Tyre pressureOn vehicles with tyre pressuremonitoring system, if there is low tyrepressure, information which tyre tocheck appears on the display.Reduce speed and check tyrepressure at the next opportunity. Tyrepressure monitoring system 3 176.Check tyre pressure 3 175, 3 207.If there is a considerable loss ofpressure, a corresponding messageappears indicating the tyre.Steer out of flow of traffic as quicklyas possible without endangeringother vehicles. Stop and check thetyres. Mount the spare wheel 3 182.If run-flat tyres are fitted, maximumspeed is 50 mph. Information 3 174.Tyre pressure monitoring system3 176.
