Lighting 121Activating1. Switch off the ignition.2. Remove the ignition key.3. Open driver's door.4. Pull the turn signal lever.5. Close the driver's door.If the driver's door is not closed thelights switch off after two minutes.Exit lighting is switched offimmediately if the turn signal lever ispulled while the driver's door is open.Activation, deactivation and durationof this function can be changed in theInfo-Display. Vehicle personalisation3 105.The settings can be saved for the keybeing used 3 22.Battery discharge protectionVehicle battery state of chargefunctionThe function guarantees longestvehicle battery life via a generatorwith controllable power output andoptimised power distribution.To prevent discharge of the vehiclebattery when driving, the followingsystems are reduced automatically intwo stages and finally switched off:● heated rear window● heated windscreen● heated mirrors● heated seats● fanIn the second stage, a messagewhich confirms the activation of thevehicle battery discharge protectionwill be displayed in the DriverInformation Centre.Switching off electric lightsTo prevent discharge of the vehiclebattery when the ignition is switchedoff, some interior lights are switchedoff automatically after some time.
