2006 Saab 9-5 Owner's Manual - Page 84

84 Instruments and controls Panel (and centre rear vent) Starting in cold weather To start with, the system will automatically select the defroster setting, maximum heat and low fan speed. As the engine warms up, air will also be distributed through the floor vents and the fan speed will be increased. As the temperature inside the car nears the selected value, both the fan speed and the heat will be decreased to a level determined by the system. Starting in hot weather The system will automatically distribute air through the panel vents at high fan speed and will switch on the A/C compressor (unless the AC OFF switch has been pressed). If the outdoor temperature is above 77°F (25°C), the system might select recirculation after 0-15 seconds if this is required in order to reach the desired temperature. As the temperature inside the car nears the selected value, the fan speed will be decreased to a value determined by the system. IB3866