NJMVC Vehicle Safety Systems 2

Question 1

At what speed does a vehicle's airbag system typically deploy during a frontal collision?

Accepted Answer

8–14 mph or more

Answer

Airbags are designed to deploy in moderate-to-severe frontal crashes, generally equivalent to hitting a solid wall at 8–14 mph or faster.

Question 2

Which component prevents a vehicle's wheels from locking up during hard braking?

Accepted Answer

Anti-lock Braking System (ABS)

Answer

ABS modulates brake pressure to prevent wheel lockup, allowing the driver to maintain steering control during emergency stops.

Question 3

What should you do if your vehicle's tire pressure monitoring system (TPMS) warning light comes on?

Accepted Answer

Check and adjust tire pressure as soon as safely possible

Answer

The TPMS light indicates one or more tires is significantly underinflated, and you should check and correct tire pressure promptly.

Question 4

How does Electronic Stability Control (ESC) help a driver?

Accepted Answer

It automatically applies brakes to individual wheels to prevent skidding

Answer

ESC detects loss of steering control and automatically applies brakes to specific wheels to help the driver maintain the intended path.

Question 5

Where should a vehicle's headrests be positioned to be most effective in a rear-end collision?

Accepted Answer

Level with the top of the ears or higher

Answer

Headrests should be positioned at or above ear level to limit whiplash injury by supporting the head and neck during a rear impact.

(NJMVC) New Jersey Motor Vehicle Commission Practice Test