A heating, ventilation, and air conditioning (HVAC) system including a plurality of airflow control doors. A plurality of door gears are in cooperation with the plurality of airflow control doors such that rotation of each one of the plurality of door gears actuates a different one of the plurality of airflow control doors to control airflow through the HVAC system. A selector gear is moveable to individually rotate each one of the plurality of door gears to selectively actuate different ones of the plurality of airflow control doors. A power gear rotates the selector gear.