Trailer Brake; Trailer Brake Valve; Emergency Brake - Renault Premium DXi 11 Service Manual

Driving
C4-49

Trailer brake

Depending on your vehicle's equipment
Static trailer brake
Keep switch (F5) pressed to apply the trailer
brakes.
The brakes will only be applied if the road
speed is below 4 km/h .
The brakes will be release if the road speed
exceeds 7 km/h or if the switch is released.

Trailer brake valve

If the tractor is equipped with a lever actuating
the trailer brake valve and thus enabling the
tractor-trailer unit to be braked by the towed
trailer, only use this facility under exceptional
circumstances.
Application
Pull the lever.
Release
Release the lever, it automatically returns to its
initial position.

Emergency brake

In the event of failure of the service brakes on an axle, the other axle ensures the efficiency
of emergency braking.