I think It is used to activate the parking mode.
in the event of a collision while the car is parked, it activates the recording of the camera for a few minutes.

Hi guys,
I'm Giovanni from Naples (Italy)
after a long frequentation with German cars i got my first qashqai Acenta 1.3DIG-t 2019 in january.

I'm going to install my 70mai hardware wire tomorrow on my Qashqai acenta 2019.

if I understand correctly we connect the yellow cable ACC to cig_lighter fuse,
while the red cable (VCC+) to the power socket fuse?
is this correct?
thanks
Giovanni