External Temperature Display
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
The external temperature display will update at various rates depending on whether or not the vehicle is at normal operating temperature and if the vehicle has been driven above 40 km/h (25 mph) for greater than 90 seconds. The display update rate can be as low as 0.5°C (1°F) every 20 minutes.