6 bttn OBC mode change (14:00 vs 2pm)

[PУCCKAЯ_e30ka]

How do I change the mode from F to C*? and time from being in american "PM"/"AM" to 12:00 - 24:00

It sometimes changes by itself, sometimes just flickers... I wanna keep it euro time/temp setting.. how do I do it?

[Mr.SWISS]

How do I change the mode from F to C*? and time from being in american "PM"/"AM" to 12:00 - 24:00

It sometimes changes by itself, sometimes just flickers... I wanna keep it euro time/temp setting.. how do I do it?

there is a white switch on the back of it.

[PУCCKAЯ_e30ka]

thank you!