WARNING: This page is about a different car, the 2016 Hyundai Elantra and 2015 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect the negative (-) battery terminal.
With the (-) driver, remove the photo sensor (A) from the center of defrost nozzle.
Fig 1: Removing Photo Sensor From Center Of Defrost Nozzle