Instruments and controls 81CautionIf engine coolant temperature istoo high, stop vehicle, switch offengine. Danger to engine. Checkcoolant level.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.In the Uplevel-Display the remainingoil life duration is displayed in theVehicle Information Menu.In the Midlevel-Display the remainingengine oil duration is displayed by thecontrol indicator I. The ignition mustbe switched on but the engine doesnot have to be running.The menu and function can beselected via the buttons on the turnsignal lever.To display the remaining engine oilduration:Press the MENU button to select theVehicle Information Menu.Turn the adjuster wheel to select theoil life system.For the system to work properly, itmust be reset every time the engineoil is changed. Seek the assistance ofa workshop.Press the SET/CLR button to resetwhile applying the brake pedal. Theignition must be switched on but theengine does not have to be running.When the system has calculated thatengine oil life has diminished,Change Engine Oil Soon or a warningcode appears in the DriverInformation Center. Have engine oiland filter changed by a workshopwithin one week or 300 miles(500 km), whichever occurs first.Driver Information Center 3 90.Service information 3 196.Control indicatorsThe control indicators described arenot present in all vehicles. Thedescription applies to all instrumentversions. When the ignition is
