l have a 2005 Hyundai Sonata. My LED went to celsius when l changed bateries. Is there a 2 button combination or something special l need to do to get it back to fahrenheit?

When u got a new battery it must have reset the factory settings. To change it back u need to get into u setting at u dash, using through the same buttons as it is to look at millage & trip info u can access u car settings. In that set of buttons is there more then two or three one saying reset. Also look for u milage setting, cause there u canchange from MPH to KLM. so figuring out to do that should give u an idea on how to change from celcius to ferienhiet. If u cant figure it out, go to a dealer or any repair shop, & they can show u how to do it usely free or charger, take them about 1 min to do it. Hope this helps.