The Adaptive Brake Lights warn traffic following behind in an emergency braking situation by quickly flashing the brake lamp unit and switching on the hazard warning lights.
Function requirements
Engine in operation
Drive train operational
Brake and traction system functional
Vehicle speed > 50 km/h
Deceleration > 7.5 m/s2
Brake Assist (BAS) triggers
ABS controls both front wheels
Function
The following lamp units are actuated for at least 1 s and with a flashing frequency of 5 Hz:
Left rear lamp unit
Right rear lamp unit
Center stop lamp
If the vehicle comes to a standstill from a speed of > 50 km/h to 70 km/h, the brake lights and the brake lamp are permanently actuated.
If the vehicle comes to a standstill from a speed of > 70 km/h, the brake lights and the brake lamp are permanently actuated. The hazard warning lights are also automatically activated.
If the vehicle then exceeds a speed of 10 km/h, the hazard warning lights are automatically switched off.
Control units
Electronic Stability Program control unit, basic function