How do you change the language on my 2014 kia optima back to English?

To change the language on your 2014 Kia Optima back to English, start by accessing the vehicle's infotainment system. Navigate to the "Settings" menu, then look for the "Language" option. Select it, and choose "English" from the list of available languages. Save your changes, and the system should update to display in English.