Prevents vehicle roll away
Parkbrake assist, prevents the vehicle from rolling away if the driver tries to exit the vehicle without applying the handbrake.
Recent studies show the number of Truck & Bus Rollaways continue to grow despite OEM warnings fitted as standard. The PBW alerts the driver when any cab access door is opened and the park brake is not applied. Plus much more:-
It monitors numerous variables which can affect parking safely.
The system stays in the background and is only used as a last resort. If the driver is operating the vehicle correctly then it will never be used but when there is a moments loss of concentration the unit steps in and applies the brakes thus preventing a potential fatal accident.