The air box typically contains two doors to control temperature and function They are known as the blend door and the __ door. a. Bland b. Heat c. Air placement d. Mode

## Step 1<br />The problem is about the air box in a vehicle's HVAC (Heating, Ventilating, and Air Conditioning) system. The air box typically contains two doors that control the temperature and function of the air being circulated in the vehicle. These doors are known as the blend door and the other door.<br /><br />## Step 2<br />The blend door controls the mix of hot and cold air to achieve the. The other door, which is the correct answer to this question, controls the direction of the airflow, either into the heater core, evaporator, or directly into the cabin.<br /><br />## Step 3<br />The options provided are:<br />a. Bland<br />b. Heat<br />c. Air placement<br />d. Mode<br /><br />## Step 4<br />Among these options, "Mode" is the correct term that refers to the door controlling the direction of airflow in the HVAC system. The "Mode door" switches the airflow between different areas, such as the heater core, evaporator, or directly into the cabin.