Hi Trainwreck,

Enjoy the FJ.

The Answer to your Question is you need to calibrate your compass.

Find a nice open area. Press and hold the set button then select your magnetic region, You will need to check the owners manual because I don't know where you are located.

After you select your region, drive around in a nice circle at about 5 MPH a few times until the rotating indicators on your temperature display stops and displays the outside temperature.

Hope this helps,

Hector