See also:

Brake system
The brake system is a hydraulic system consisting of two separate brake circuits. If a problem should occur in one of these circuits, it is still possible to stop the vehicle with the other brake ...

Towing a trailer
The maximum weights recommended by Volvo for trailers with brakes are shown in the table below. Recommended hitch tongue load: not more than 10% of the trailer's weight. The trailer load should ...

Changing
WARNING Connect and disconnect the positive and negative cables in the correct sequence. ...