2011 Mercedes G-Class Owner's Manual - Page 110

108 Operating the climate control system otherwise fog up as, in air-recirculation mode, no fresh air is drawn into the vehicle. RUse the residual heat function if you want to heat or ventilate the vehicle interior when the ignition is switched off. The "residual heat" function can only be activated or deactivated with the ignition switched off. RAt very low temperatures, the rear window defroster is only switched on once the vehicle interior has warmed up. Switching cooling with air dehumidification on/off Important information The cooling with air dehumidification function is only available when the engine is running. The air inside the vehicle is cooled and dehumidified according to the temperature selected. G Warning Activating/deactivating climate control Climate control Important information G Warning! When the climate control system is deactivated, the outside air supply and circulation are also deactivated. Only choose this setting for a short time. Otherwise the windows could fog up, impairing visibility and endangering you and others. If you switch off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others. Condensation may drip from the underside of the vehicle when it is in cooling mode. This is normal and not a sign that there is a malfunction. i Switch on climate control primarily using the à button (Y page 109). Activating/deactivating X i The cooling with air dehumidification function uses refrigerant R134a. This coolant does not contain chlorofluorocarbons, and therefore does not damage the ozone layer. Activating/deactivating ! If the cooling with air dehumidification does not switch on, it is possible that the climate control system has lost coolant. Have the cooling with air dehumidification checked at a qualified specialist workshop. X Turn the key to position 2 in the ignition lock. X To switch on: turn control : clockwise to the desired position (except position 0) (Y page 107). X The previously selected settings come into effect again. X To switch off: turn control : counterclockwise to position 0(Y page 107). To activate: press the Á button. The indicator lamp in the Á button lights up. X To switch off: press the Á button. The indicator lamp in the Á button goes out. The cooling with air dehumidification function has a delayed switch-off feature.