2004 Mercedes G-Class Owner's Manual - Page 161
2004 Mercedes G-Class Manual
Page 161 highlights
Controls in detail Climate control i The air recirculation mode is activated automatically at high outside temperatures. If you have turned off the air conditioner or the outside temperature is below 41°F (5°C), the air recirculation mode will not switch on automatically. Deactivating Press button O briefly. The indicator lamp in the button goes out. The air recirculation mode is deactivated automatically: after 30 minutes if the outside temperature is above about 41°F (5°C) after 5 minutes if the outside temperature is below about 41°F (5°C) after 5 minutes if economy mode ACOFF is selected Residual engine heat utilization With the engine switched off, it is possible to continue to heat or ventilate the interior for a short while, depending on the temperature setting of the climate control. Air volume and distribution are controlled automatically. Activating Turn the SmartKey in starter switch to position 1 or 0 or remove it from the starter switch. Press button °. The indicator lamp in the button comes on. Set the left and right temperature to your personal requirements. Deactivating Press button ° again to switch off. The indicator lamp in the button goes out. The residual heat is automatically turned off: when the SmartKey in starter switch is turned to position 2 after about 30 minutes if the battery voltage drops 161