Colorado CDL Practice Test

When using ABS, how should braking be adjusted?

1. Braking should be harder than usual

2. Braking should be lighter than usual

3. Braking should be the same as always

4. Braking should be erratic

The correct answer is: Braking should be the same as always

The correct approach when using Anti-lock Braking System (ABS) is to maintain the same level of braking force as usual for the specific driving situation. ABS is designed to maximize braking efficiency while preventing wheel lock-up, which can lead to a loss of traction and control of the vehicle. When the ABS is activated, the system modulates brake pressure automatically, allowing the driver to maintain steering control while braking. Thus, the driver should apply firm, consistent pressure to the brakes instead of changing their normal braking habits. This enables the ABS to function effectively and stops the vehicle in a controlled manner. Adjusting braking to be lighter or harder than usual can interfere with the optimal performance of ABS, potentially resulting in longer stopping distances or loss of control. Therefore, keeping the braking input consistent allows the ABS to do its job effectively, enhancing safety on the road.