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Home >> BMW >> 2018 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 763 (Functional Descriptions - F25 - Charging System, Anti-Theft, Body Electrical Systems) >> Body Electrical System - Functional Description >> Camera-based driver support systems (KAFAS) (Ver.2) >> Preventive pedestrian protection

Preventive pedestrian protection

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The camera monitors the area in front of the vehicle. The camera uses image processing to detect pedestrians. Based on the positions, distances and relative speeds calculated, the warning is output or braking is triggered.

This function warns the driver of possible collisions between 10 and 60 km/h. The brakes are also applied automatically. This will reduce the consequences of an accident or even avoid it completely. The function is only available during the day.

The collision warning is emitted in two stages. The first stage (pre-warning) shows the warning symbol in the instrument cluster (KOMBI). The symbol flashes in the 2nd stage (acute warning). Additionally there is an acoustic warning.

Both stages can be switched on or off using the assist system operating facility. The function is always available when the vehicle is started. Shortly before a collision the brakes are applied automatically with a medium brake force in order to reduce the severity of the impact.

When an acute warning is output, the brakes are prepared to deliver emergency braking as quickly as possible.