Question 9 of 140

What does the antilock braking system (ABS) on a combination vehicle help prevent?

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The engine from stalling at idle
The need for regular brake maintenance, since ABS is designed to replace routine service checks
Wheel lockup during hard braking, which helps the driver keep steering control
The vehicle from exceeding its top speed

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Correct answer to question 9 (Combination Vehicles): Wheel lockup during hard braking, which helps the driver keep steering control

Why

ABS senses when a wheel is about to lock during hard braking and modulates brake pressure to that wheel, which helps preserve steering control instead of sliding.

Updated: November 2026

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What does the antilock braking system (ABS) on a combination vehicle help prevent?

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