Compatible with: 2011-2014 Hyundai Sonata 2011 Kia Optima Package Includes: 1 x Blower motor fan w/ fan cage The function of the blower: The blower is part of your car's air conditioning system. Adjusting the fan speed sends a signal through the resistor to the blower motor to speed up or slow down. How to know if your blower motor needs to be replaced: No or little airflow. Making unusual noises, rattling or squealing. There is a strange smell. Attention: *Professional Installation is Highly Recommended. *If you have any questions about the product, you can contact us at any time. .
