Self-help, vehicle care190Remem ber to reset the engine oil lifemonitor 3 whenever the engine oil ischanged - see page 190.Engine oil l ife monitor 3The engine oil life m onitor lets y ou k nowwhen to change the oil. Ba sed on drivingconditions, the mileage / kilometre intervalat which a n oil change will b e indica ted canvary c onsiderably .For the system to work properly, it must bereset ev ery time the oil is changed. Consulta workshop.When the sy stem has calculated tha t oil lifeha s been diminished, control indicator Cilluminates in the instrument cluster -see p age 69. Engine oil needs changingwithin approx. 600 miles (1000 k m). Enginepower m ay be decreased. Diesel fuel filterDrain diesel fuel filter of residual water a tevery engine oil change.Place a container underneath the filterhousing. Turn drain plug, loc ated on theleft of the filter housing, anticlock wiseusing a suitab le screwd riv er, to drain offthe water.The filter is drained a s soon as diesel fuelemerges from the port. Retighten the drainplug b y turning it clockwise.With engine switched off, turn ignition keyto O N, wait approx. 5 seconds, and turnkey to LO CK to perform priming operation.Perform this operation 3 times or morewhile the engine is switched off, to a void airentering the fuel line.9 WarningUsed engine oil filters and empty oilcontainers should not b e disposed of a sdomestic refuse. We rec om mend thatyou entrust oil and oil filter changes to awork shop who is familiar with legalrequirements regarding disposal of usedoil a nd can thus help to protect both theenvironment and y our health.Engine oil is a d anger to health; avoidprolonged contact with skin and washexposed areas thoroug hly .