2001 Mercedes SLK-Class Owner's Manual - Page 92

Air recirculation This mode can be selected to temporarily reduce the entry of annoying odors or dust into the vehicle's interior. Outside air is not supplied to the vehicle's interior. To select, press O button. To cancel, press O button again. The system will automatically switch from recirculated air to fresh air • after approximately 5 minutes at outside temperatures below approximately 40°F (5°C), • after approximately 30 minutes, at outside temperatures above approximately 40°F (5°C), • after approximately 5 minutes, if button S is pressed. At high outside temperatures, the system automatically engages the recirculated air mode for approximately 30 minutes, thereby increasing the cooling capacity performance. Press O button again to extend the recirculated air mode. Residual engine heat utilization (REST) With the engine switched off, it is possible to continue heating the interior for a short while. Air volume is controlled automatically. Select temperature for each side of the passenger compartment. Set air distribution control switch to the desired position. To select: Turn key in steering lock to position 1 or 0 or remove. Press O button. Indicator lamp in the button lights up. This function selection will not activate if the battery charge level is insufficient. To cancel: Press O button. Indicator lamp in the button goes out. The system will automatically shut off • if you turn key in steering lock to position 2, • after approximately 30 minutes, • if the battery voltage drops. Climate control Instruments and controls Operation Driving Instrument cluster display 89 Practical hints Car care Technical data Index