Illinois CDL Practice Exam

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What vehicle safety feature can help prevent rollover accidents?

Anti-lock braking system (ABS)

Electronic stability control (ESC)

Electronic stability control (ESC) is designed specifically to enhance vehicle stability by detecting and reducing loss of traction. It does this by automatically applying brakes to individual wheels to help maintain control during sudden maneuvers, such as sharp turns or evasive actions. This feature is critical in preventing rollover accidents, especially in taller vehicles like SUVs and trucks, which have a higher center of gravity and are more prone to tipping over.

When drivers begin to lose control due to skidding or oversteering, ESC engages and helps the driver regain stability and control. By doing so, it significantly reduces the risk of rolling over, which can happen if a vehicle's balance is compromised. In contrast, other safety features listed may assist in braking or visibility but do not offer the same level of protection against rollovers as ESC does.

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Traction control system (TCS)

Rearview cameras

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