2013 Acura TL Owner's Manual - Page 238

Climate Control System Rear Ventilation The airflow from the rear vents can be adjusted when either AUTO mode (driver or passenger) is selected or the fan mode is in the or position. You can adjust the direction of the airflow by moving the tab on each vent up-and-down and side-to-side. You can also open or close the vents with the dial between them. The climate control system has two sensors: a sunlight sensor on top of the dashboard, and a temperature and humidity sensor next to the steering column. Do not cover the sensors or spill any liquid on them. Features Climate Control Sensors SUNLIGHT SENSOR TEMPERATURE AND HUMIDITY SENSOR The humidity sensor helps reduce window fogging and also monitors and adjusts cabin humidity by automatically changing the mode to Defrost. 234 2013 TL