You can enter the computer test mode by clicking the CONFIG button and holding it until the test mode activation notification is displayed. Using the INFO button to get the pages to become a new page.
The first and second pages of the computer test mode are FM-tuner information. The third page is the information on the sound settings and settings. The fourth page is information on the GPS parameters. It is noteworthy that the speed of the car in this mode is displayed more accurately than the speedometer.
The fifth and sixth pages also refer to GPS parameters.