Other information:
Replacement And Air Bleeding
Never remove the radiator cap when the engine is hot. Serious scalding
could be caused by hot fluid under high pressure escaping from the radiator.
...
The message will appear when camera’s field of view is covered by some objects.
The system stops until the field of view is normal.
Check the windshield around the camera view area.
If the system does not work normally even though camera’s field of view is cleared,
we recommend that the syste ...