The brakes feel squishy and it is difficult to stop at low speeds. Yes it is available for inspection upon request. Safety being put at risk by not being able to stop in time possibly causing crash. The truck was taken to a mechanic who found a code stating low vacuum pressure on brake booster but they could not find a leak anywhere and cleared the code. It is unknown if the component has been inspected by the manufacturer. Yes there has been a warning light before. It is unknown when exactly this problem started.