2012 Jeep Wrangler Owner Manual - Page 296

294 UNDERSTANDING YOUR INSTRUMENT PANEL NOTE: The system will display the last known outside temperature when starting the vehicle and may need to be driven several minutes before the updated temperature is displayed. Engine temperature can also affect the displayed temperature; therefore, temperature readings are not updated when the vehicle is not moving. Automatic Compass Calibration This compass is self-calibrating, which eliminates the need to set the compass manually. When the vehicle is new, the compass may appear erratic and the EVIC will display "CAL" until the compass is calibrated. You may also calibrate the compass by completing one or more 360-degree turns (in an area free from large metal or ECO (Fuel Saver Mode) - If Equipped metallic objects) until the "CAL" message displayed in The ECO message will display below the outside temthe EVIC turns off. The compass will now function perature in the EVIC display (if the audio system is on normally. the ECO indicator will override the audio information display line if the ЉDisplay Fuel SaverЉ personal setting is NOTE: A good calibration requires a level surface and ON - see ЉPersonal SettingsЉ section). This message will an environment free from large metallic objects such as appear whenever you are driving in a fuel efficient buildings, bridges, underground cables, railroad tracks, manner. etc. This feature allows you to monitor when you are driving in a fuel efficient manner, and it can be used to modify driving habits in order to increase fuel economy.