The AC Control Knobs enables you to control various functions of your air conditioning or heater system like the fan speed, the temperature and the airflow of your truck. It is a common replacement for your Toyota Tundra whose AC control knobs usually break or crack over time due to frequent use.
The AC control knobs are located at the center of your dashboard under your radio instrument and can be installed easily with no tools needed at all. Just plug it right in once the old one has been removed.