When driving across the prairies or the plains, you’d probably never notice if a brake or two were out of adjustment, but you can’t take brakes for granted when driving in mountains. That’s why you’ll often find brake check areas at the top of steep mountain grades. This video explains how to conduct a quick walkaround inspection to ensure the brakes are in proper adjustment and functioning properly before beginning the descent.

Read more about the art and science of driving a truck in the mountains.