Driving and operating 111If the fuel maintenance mode requestwas delayed for one day, it will start atthe next vehicle start and display thefuel maintenance mode notificationscreen on the Colour-Info-Display.If fuel maintenance mode is requiredand the fuel level is low, fuelmaintenance mode may eventuallyempty the fuel tank if fuel is not added.This will result in reduced, or nopower. An adequate fuel level mustbe maintained in the vehicle to keepit operational.Engine exhaust9 DangerEngine exhaust gases containpoisonous carbon monoxide,which is colourless and odourlessand could be fatal if inhaled.If exhaust gases enter the interiorof the vehicle, open the windows.Have the cause of the faultrectified by a workshop.Avoid driving with an open loadcompartment, otherwise exhaustgases could enter the vehicle.Electric drive unitOperationThe vehicle uses an electric driveunit. The shift lever is located on theconsole between the seats.P (Park): This position locks the frontwheels. It is the best position to usewhen starting the propulsion systembecause the vehicle cannot moveeasily.