90 Instruments and controlsWhen the vehicle is parked and/or the driver's door is opened■ When the key is in the ignitionswitch.■ With exterior lights on.During an Autostop■ If the driver's door is opened.Battery voltageWhen the battery voltage is runninglow, a warning message or warningcode 174 will appear in the DriverInformation Centre.1. Switch off immediately electricalconsumers which are not requiredfor a safe ride, such as seatheating, heated rear window orother main consumers.2. Charge the battery by drivingcontinuously for a while or byusing a charging device.The warning message or warningcode will disappear after the enginehas been started two timesconsecutively without voltage drop.If the battery cannot be recharged,have the cause of the fault remediedby a workshop.Trip computerThe menus and functions can beselected via the buttons on the turnsignal lever.Press the MENU button to select theTrip/Fuel Information Menu, or selectW on the Uplevel-Combi-Display.
