If the difference in speed between your vehicle and the obstacle is greater than the speeds specified below, the automatic brake function cannot prevent a collision, but it can help mitigate its effects.
Vehicles
Braking assistance can help prevent a collision with a vehicle ahead by reducing your vehicle's speed by up to 60 km/h (37 mph).
Cyclists
Braking assistance can help prevent a collision with a cyclist ahead by reducing your vehicle's speed by up to 50 km/h (30 mph).
Pedestrians
Braking assistance can help prevent a collision with a pedestrian ahead by reducing your vehicle's speed by up to 45 km/h (28 mph).