2009 Nissan Sentra Owner's Manual - Page 152

Air recirculation button NOTE: The air recirculation feature is available only on those vehicles equipped with air conditioning. On position (Indicator light on): Interior air is recirculated inside the vehicle. Press the button to the on position when: Air conditioner button (if so equipped) The button is provided only on vehicles equipped with an air conditioner. Start the engine, turn the fan control dial to the desired position and push the button to turn on the air conditioner. The indicator light comes on when the air conditioner is operating. To turn off the air conditioner, push the button again. The air conditioner cooling function operates only when the engine is running. 2. Turn the air flow control dial to the position. 3. Turn the fan control dial to the desired position. 4. Turn the temperature control dial to the desired position between the middle and the hot position. Ventilation This mode directs outside air to the side and center ventilators. 1. Push the button to the off position. ● driving on a dusty road. ● to prevent traffic fumes from entering passenger compartment. ● for maximum cooling when using the air conditioner. button is pressed, the air conWhen the ditioner automatically turns on and the indicator button is pressed illuminates. When the again, the air recirculation mode turns off, but the air conditioner remains on. Off position (Indicator light off): Outside air is drawn into the passenger compartment and distributed through the selected outlet. Use the off position for normal heater or air conditioner operation. Rear window defroster switch For more information about the rear window defroster switch, see "Rear window and outside mirror (if so equipped) defroster switch" in the "Instruments and controls" section of this manual. 2. Turn the air flow control dial to the position. 3. Turn the fan control dial to the desired position. 4. Turn the temperature control dial to the desired position. HEATER OPERATION Heating This mode is used to direct heated air to the foot outlets. Some air also flows from the defrost outlets and outboard vents. 1. Push the button to the off position for normal heating. Defrosting or defogging This mode directs the air to the defrost outlets and outboard vents to defrost/defog the windows. 1. Turn the air flow control dial to the position. 4-10 Display screen, heater, air conditioner, audio and phone systems