Michigan Commercial Driver's License (CDL) Practice Exam

The signs of brake failure primarily include loss of braking power, a burning smell, or unusual noises. When a vehicle experiences brake failure, the driver may notice that the brakes do not respond effectively, making it difficult to slow down or stop. This loss of braking power is a critical indicator of a potential brake issue. A burning smell may occur due to overheated brake components, such as the brake pads or rotors, which could lead to diminished braking performance. Unusual noises, such as grinding or squealing, can indicate that the brake pads are worn down or that there are other mechanical issues affecting the braking system. Recognizing these signs promptly can help prevent dangerous situations on the road. Flashing dashboard warning lights can be an important indicator of various vehicle issues, but they are not exclusively associated with brake failure. Steering wheel vibrations can suggest alignment or tire issues rather than specifically indicating brake problems. Excessive tire wear is typically a result of improper maintenance, driving habits, or wheel misalignment, rather than a direct sign of brake failure itself.