Automatical round view when starting: When car engine starts, the system activate the car monitor and the all the camera around one by one to check the view around for 10 seconds, then turn off. Automatically rear view:When you pull the reverse gear (Left/Right turning no triggered), the system activate the monitor and rear view camera till the reverse gear back, then switches to front view camera for 10 seconds then shut off. Front view mode:The system start with front view mode as default.Front view controlled by switch(included) . the control switch for 2 seconds, car monitor and car front view camera be working all the time, if no other trigger working. And then you could shut off the front view video by re- the control switch for 2 seconds. Side view mode: the control switch less than 1 second to enter Side View Mode.When you turn on the turning switch, this system activate Monitor and Side view camera (Left/Right side view camera is controlled by Left/Right steering lamp). The