up in the middle of the roof ya got the digital thermometer and its got the *F/*C button and the comp/temp button. what is the comp button for? all it does is turn the thermometer off, is that what its supposed to do or whats its function??? it does the same thing in my buddies jeep cherokee. might be a dumb question, but i wanna know

 

It short for competition mode! Actually it should be a provision for a electronic compass.