Lighting 149Automatic high beam activationoperates at a speed above 25 mphand deactivates below 12 mph.Intelligent light ranging operatesabove 35 mph.The green control indicator lilluminates continuously when thefunction is activated, the blue one 7illuminates when high beam switcheson automatically.DeactivationPush indicator lever once. It is alsodeactivated when front fog lights areswitched on.Dynamic automatic headlightlevellingTo prevent oncoming traffic fromdazzle, headlight levelling isautomatically adjusted based oninclination information measured byfront and rear axle, acceleration ordeceleration and vehicle speed.Fault in adaptive forward lightingsystemWhen the system detects a failure inthe Adaptive forward lighting system,the system moves to a preset positionto avoid dazzling of oncoming traffic.If this is not possible the affectedheadlight will be automaticallyswitched off. In any case oneheadlight will stay on. A warning isdisplayed in the Driver InformationCentre.Hazard warning flashersOperated by pressing ¨.In the event of an accident with airbagdeployment the hazard warningflashers are activated automatically.Turn and lane-changesignalslever up : right turn signallever down : left turn signalIf the lever is moved past theresistance point, the turn signal isswitched on constantly. When thesteering wheel moves back, the turnsignal is automatically deactivated.