2007 Mercedes G-Class Owner's Manual - Page 182

Controls in detail Good visibility Activating Press switch 1. Indicator lamp 2 comes on. Deactivating Press switch 1 once more. Indicator lamp 2 goes out. Rear window defroster The rear window defroster uses a large amount of power. To keep battery drain to a minimum, switch off the rear window defroster as soon as the rear window is clear. The rear window defroster switches off automatically after approximately 6 to 17 minutes of operation depending on the outside temperature. Warning! Activating Press button 1 or F on the respective climate control panel ( page 183). The indicator lamp on the button comes on. Deactivating Press button 1 or F once more. The indicator lamp on the button goes out. ! If too many electrical consumers are operating simultaneously and there is insufficient voltage in the battery, indicator lamp 2 in windshield defroster switch 1 starts flashing. After approximately 30 seconds the system responds automatically by switching the windshield defroster off. G Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. ! If the rear window defroster switches off too soon and the indicator lamp in button 1 or F starts flashing, too many electrical consumers are operating simultaneously and there is insufficient voltage in the battery. The system responds automatically by switching the rear window defroster off. As soon as the battery has sufficient voltage, the rear window defroster switches back on automatically. Switch on the ignition ( page 39). 181