80 Instruments and controlsFuel gaugeDisplays the fuel level in the tank.Control indicator Y illuminates if thelevel in the tank is low. Refuelimmediately 3 144.Never run the tank dry. Erratic fuelsupply can cause catalytic converterto overheat 3 128.Diesel engines: if the tank has beenrun dry, bleed the fuel system 3 159.Because of the fuel remaining in thetank, the top-up quantity may be lessthan the specified tank capacity3 206.Service displayThe engine oil life system lets youknow when to change the engine oiland filter. Based on drivingconditions, the interval at which anengine oil and filter change will beindicated can vary considerably.Change engine oil 3 88.Transmission displayDisplays the mode or selected gearwith automatic transmission.P = park positionR = reverse gearN = neutralD = drive position (automaticmode)1-6 = selected gear in manual modeControl indicatorsThe control indicators described arenot present in all vehicles. Thedescription applies to all instrumentversions. Depending on theequipment, the position of the controlindicators may vary.When the ignition is switched on,most control indicators will illuminatebriefly as a functionality test.The control indicator colours mean:red = danger, importantreminderyellow = warning, information, faultgreen = confirmation of activationblue = confirmation of activationwhite = confirmation of activation