Driving and operating 109If Mountain mode is not selected forthese conditions, propulsion powermay be reduced and the enginespeed may increase.Control indicator Mountain 3 69.Hold modeHold mode is only available when thevehicle is in electric mode. This modeplaces the remaining battery chargeinto a reserve for the driver to use asdesired. Selecting this modetransitions the vehicle to extendedrange mode to maintain the batterycharge reserve.Hold mode will not change normalvehicle acceleration or brakingperformance.Control indicator Hold 3 69.Maintenance modesEngine maintenance modeEngine maintenance mode runs theengine to keep it in good workingcondition after approximatelysix weeks of no or very limited engineoperation. Engine maintenance modewill force the engine to run, even ifthere is a charge to power the vehicle.When engine maintenance mode isneeded, a request screen appears onthe Colour-Info-Display at vehiclestart.If Yes is selected, enginemaintenance mode will begin. Theengine will run for a set amount oftime without turning off. Duringengine maintenance mode, a DICmessage displays to show the enginemaintenance mode percentagecomplete.If No is selected, the enginemaintenance mode request screenwill appear when the vehicle is nextstarted. The engine maintenancemode request can be delayed for onlyone day.If the engine maintenance moderequest was delayed for one day, itwill automatically start the engine atthe next vehicle start. An enginemaintenance mode notificationscreen will appear in the Colour-Info-Display.If the vehicle shuts off during enginemaintenance mode, it will restart thenext time the vehicle is driven. Amessage displays to indicate thatengine maintenance mode is active.If engine maintenance mode isrequired and the fuel level is low,engine maintenance mode mayeventually empty the fuel tank if fuel
