See also:

Auto-brake
If a collision is imminent and the driver has not applied the brakes or begun to steer around the vehicle or pedestrian, the auto-brake function is activated without the driver pressing the brake ...

Limitations
Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if the driver is not looking straight ahead may make the visual warning signal in the windshield difficult to see. ...

Deactivation
Move the gear selector from R to another position. There is a slight delay in the PAC system, which means that the view from behind the vehicle will remain on the screen for approximately 15 secon ...