Division 2.2.1.26.3 F1

Alternatively to the parking brake performance requirements according to points 2.2.1.26.1.2 and 2.2.1.26.2.1.2, the alternatives set out in points 2.2.1.26.3.1 and 2.2.1.26.3.2 are also allowed.

1. 2.2.1.26.3.1.

   an automatic actuation of the parking braking system is allowed when the vehicle is stationary, provided that the performance referred to in points 2.2.1.26.1.2 and 2.2.1.26.2.1.2 is achieved and, once applied, the parking braking system remains engaged independently of the status of the ignition (start) switch. In this alternative, the parking braking system shall be automatically released as soon as the driver starts to set the vehicle in motion again.

2. 2.2.1.26.3.2.

   applying the brakes of the parking braking system from the driver's seat by an auxiliary control device and thereby be capable of holding the laden vehicle stationary on an 8 % up or down gradient. In this case, also the requirements of point 2.2.1.26.7 shall be met.