Heater only coming from defrost vents

Hello,

It sounds like you have a mode actuator that is not working. Here is a guide to help you see what you are in for when replacing the part:

https://www.2carpros.com/articles/replace-blend-door-motor

Here is the location of the mode door actuator on your car. Try Amazon or Rock Auto for the part.

Check out the diagrams (below).

Let us know what happens and please upload pictures or videos of the problem.

Cheers, Ken