Service, maintenanc e198Eng ine oi l life monit or 3The engine oil life monitor lets you knowwhen to c hange the oil. Based on d riv ingconditions, the m ileage / kilometre interv alat whic h an oil c hange w ill be indicated canvary considerably.For the system to work properly, it m ust bereset every time the oil is cha ng ed. C onsulta w orkshop.When the system has calculated that oil lifehas b een diminished, control indicator Cilluminates in the instrument cluster -see page 69. Engine oil need s changingwithin ap prox . 600 miles (1000 km). Eng inepower may be decreased.Picture n o: s0013656.tifDiesel fuel filterDra in diesel fuel filter of residual water atevery engine oil change.Plac e a container und erneath the filterhousing. Turn drain plug, located on theleft of the filter housing , anticlockwiseusing a suitable screwdriver, to drain offthe water.The filter is drained as soon as diesel fuelemerges from the port. Retighten the d rainplug by turning it clockwise.With eng ine switched off, turn ignition keyto ON , wait ap prox . 5 seconds, and turnkey to LOC K to perform p rim ing operation.Perform this operation 3 tim es or morewhile the eng ine is switched off, to avoid airentering the fuel line.C heck diesel fuel filter at shorter interv als ifthe vehicle is subjected to extremeoperating conditions such a s high humidity(primarily in coastal areas), extrem ely highor low outsid e tempera tures andsubstantially varying day time and night-time tem peratures.If there is water in the diesel fuel filter,control ind icator N illum inates in theinstrument cluster - see pag e 69. Drain thewater immediately .