2011 Acura RL Owner's Manual - Page 214

Climate Control System Using the Mode Control Button Use the mode control button to select the vents the air flows from. Some air will flow from the dashboard vents in all modes. Using the Interface Dial Press the A/C button to view the climate control display, then push the interface selector down. Select any of the modes by turning the interface knob. Air flows from the center and corner vents in the dashboard. Airflow is divided between the vents in the dashboard and the floor vents. Air flows from the floor vents. Airflow is divided between the floor vents and defroster vents at the base of the windshield. Push the interface selector right or left, then turn the interface knob to select the desired temperature. When is selected, you can increase or decrease the temperature of airflow from the dashboard vent for the driver's side and the passenger's side without changing the temperature of airflow from the floor vent. 208