Vehicle care 265Vehicle loading statusAdjust tyre pressure to load conditionaccording tyre information label ortyre pressure chart 3 300, and selectthe appropriate setting in the Tyreloading page under the Settingsmenu in the Driver Information Centre3 112. This setting determines thereference pressures for the tyrepressure warnings.Depending on the display, the menuTyre loading only appears if thevehicle is at a standstill and theparking brake is applied. On vehicleswith automatic transmission theselector lever must be in P.Select:● Light for comfort pressure up to3 people.● Eco for Eco pressure up to3 people.● Max for full loading.Auto learn functionAfter changing wheels or wheelpositions the vehicle must bestationary for approx. 20 minutes,before the system recalculates. Thefollowing relearn process takes up to10 minutes of driving in a speed rangeof 25 to 60 mph. Avoid to drive outsideof this range for a longer time. Ifpossible, use a country road or similarwhich allows continuous driving.During relearn process $ can bedisplayed or pressure values canswap in the Driver Information Centre.If problems occur during the relearnprocess, a failure message isdisplayed in the Driver InformationCentre. w will flash for 60 secondsand then illuminate continuously.If this happens, repeat learningprocess. Keep your vehicle stationaryfor approx. 20 minutes and then driveagain for 10 minutes as describedabove.Tread depthCheck tread depth at regularintervals.Tyres should be replaced for safetyreasons at a tread depth of 2-3 mm(4 mm for winter tyres).For safety reasons, it isrecommended that the tread depth ofthe tyres on one axle should not varyby more than 2 mm.
