How To Initiate The Service Mode

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.

Press "MAP" button and "SETTINGS" button at the same time for at least 3.5 seconds.

Fig 1: Display - Map Button And Settings Button Screen
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
The service mode will be initiated. Then "Service" screen will be displayed.

Fig 2: Display - Service Screen
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.