134 LightingIn the Driver Information Centre withUplevel-Display or Uplevel-Combi-Display, the current status of theautomatic light control is displayed.When switching on the ignition,automatic light control is active.When low beam is on, 8 lights up.Control indicator 8 3 113.Tail lightsTail lights are illuminated togetherwith low/high beam and sidelights.Automatic light controlWhen the automatic light controlfunction is switched on and theengine is running, the systemswitches between daytime runninglight and headlights automaticallydepending on the lighting conditionsand information given by the rainsensor system.Daytime running lightDaytime running light increasesvisibility of the vehicle during daylight.Automatic headlight activationDuring poor lighting conditions theheadlights are switched on.Furthermore the headlights areswitched on if the windscreen wipershave been activated for severalwipes.Tunnel detectionWhen a tunnel is entered theheadlights are switched on withoutany delay.Adaptive forward lighting 3 136.High beamTo switch from low to high beam,push lever.To switch to low beam, push leveragain or pull.High beam assistThis feature allows high beam asmain driving light by night and whenvehicle speed is faster than 25 mph.