2004 Subaru Impreza Owner's Manual - Page 201

Climate control functions are as follows: OFF: The fan does not operate. AUTO: The fan speed is adjusted automatically in accordance with the air temperature inside and outside the passenger compartment, the intensity of sunlight, and other factors. Subaru recommends using the AUTO position. Other positions: The fan speed can be adjusted in four steps. ! Air flow control dial This dial has the following five positions. The outlets from which air is supplied in each position are as follows: : Instrument panel outlets : Instrument panel outlets and foot outlets : Foot outlets and windshield defroster outlets (relatively little air from windshield defroster outlets) : Windshield defroster outlets and foot outlets : Windshield defroster outlets NOTE With the fan speed control dial in the AUTO position and the air flow control dial in the or " " position, the fan does not operate during engine warmup until the engine coolant temperature exceeds approx. 122°F (50°C). ! Temperature control dial This dial is used to set the desired interior temperature. With the dial set to your desired temperature, the system automatically adjusts the temperature of air supplied from the outlets such that the desired temperature is achieved and maintained. If the dial is turned fully counterclockwise, the system gives maximum cooling performance. If the dial is turned fully clockwise, the system gives maximum heating performance. NOTE When the dial is placed in the " " or " " position, the air conditioner compressor operates automatically to defog the windshield quickly. At the same time, the air inlet selection is automatically set to "outside air" mode. 4-12