How do I change temperature from farenheit to celcius?

SOURCE: The air temp. reads in Celcius instead of

mess with buttons on dash board one is for gas mileage mph /kilo another temp cel/ fereh push thjose buttons until it where u understand the numbers u cant hurt annything by pushing any of those buttons u have my word

SOURCE: how do I change the

Hold the button in the mirror for 5 seconds until it flashes then hit it once more, it should change over.

SOURCE: how do i change my ambient temperature display

Press and hold the power button on the radio, while holding power down press media, let go of both... it should change.