202 Driving and operatingon. When the control indicator ) inthe instrument cluster illuminatesgreen, the system is ready to operate.The system is only operable atvehicle speeds above 35 mph and iflane markings are available.When the system recognises anunintended lane change, the controlindicator ) changes to yellow andflashes. Simultaneously a chimesound is activated.DeactivationThe system is deactivated bypressing ) button, the LED in thebutton extinguishes.At speeds below 35 mph the systemis inoperable.FaultThe lane departure warning systemmay not operate properly when:■ the windscreen is not clean■ there are adverse environmentalconditions like heavy rain, snow,direct sunlight or shadowsThe system can not operate when nolane marking is detected.FuelFuel for petrol enginesOnly use unleaded fuel that complieswith European standard EN 228 orE DIN 51626-1 or equivalent.Your engine is capable of runningwith E10 fuel that fulfills thesestandards. E10 fuel contains up to10 % bioethanol.Use fuel with the recommendedoctane rating 3 271. Use of fuel withtoo low an octane rating can reduceengine power and torque and slightlyincreases fuel consumption.CautionDo not use fuel or fuel additivesthat contain metallic compoundssuch as manganese-basedadditives. This may cause enginedamage.
