How do you change the temperature gauge on a Mazda from Celsius to Fahrenheit?

AnswerWith the radio on, press and hold both the Power and Media button for at least 5 seconds. When you release both, the display will change to Fahrenheit. You might have to try it a couple of times but it does work. Answeryou just hold down the amp button until it appears. Remember not to let the button go until it changes.