Why is my dual climate control display not working?

It could be the control panel that is out, but we should check the power fuse (DIC/HVAC and HVAC HIGH) first.

Here is a guide to help you with the HVAC wiring diagrams below so you can see how the system works:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.