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Driver Responsibility — New Jersey Driver's License Practice Test

Driver ResponsibilityQuestion 1 of 30

52 questions in this topic · 30 drawn at random this round

Where must all children under age eight be seated?

New Jersey Driver Manual

All questions are based on the official New Jersey Driver Manual (NJ MVC). Study the relevant chapter to reinforce your knowledge.

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This New Jersey Driver's License Driver Responsibility practice set has 52 practice questions based on the official exam materials, each with an instant explanation. You need 80% on the real New Jersey Driver's License knowledge test to pass.

Topic overview

This chapter covers a driver's core safety responsibilities: seat belt use, child passenger safety, vehicle condition checks, carbon monoxide awareness, and basic vehicle-handling skills like steering, braking, and parking.

The most heavily tested material is the seat belt law (the driver is responsible for passengers under 18), the tiered child restraint rules based on age/height/weight, and the stopping-distance table that shows how speed increases the distance needed to stop.

A common mistake is assuming a child restraint switches to forward-facing at a fixed age rather than following the weight and height thresholds in the law, or forgetting that a driver must never place a rear-facing car seat in a front seat with an active passenger air bag.

Who is responsible for seat belt use in the car?

The driver is responsible for making sure all passengers under age 18 wear seat belts. Front-seat passengers 18 and older are responsible for buckling themselves, and a driver can be stopped solely for a seat belt violation.

What's the rule for children riding in the front seat with air bags?

A rear-facing child restraint should never be placed in a front seat that has an active passenger-side air bag, because the air bag could seriously injure the child. Children 12 and under are safest buckled in the back seat.

How long can I let my vehicle idle in New Jersey?

New Jersey law limits vehicle idling to three minutes or less in most situations. Idling longer than that is both unnecessary and against the law.

Written from the official New Jersey Driver Manual — Driver Responsibility ↗· Last checked: 2026-07-10· Reviewed by the PassPrep editorial team· How we verify →

Sample questions

Three questions from the Driver Responsibility bank with the correct answer and an explanation. The practice quiz above draws 30 questions at random from the same bank.

Under New Jersey state law, who must wear a seat belt in a passenger vehicle such as a car, van, pickup truck, or SUV?
- The driver and all passengers — Correct answer
- Only the driver
- Only front-seat occupants
- Only passengers under age 18
Explanation: State law requires the driver and all passengers of a passenger vehicle to wear a seat belt.
Handbook: Driver Responsibility — Seat Belt Law
A police officer in New Jersey may stop a motorist solely because the driver, front-seat passenger, or a child under 18 is not wearing a seat belt. This makes a seat belt violation a:
- Primary offense — Correct answer
- Secondary offense
- Non-moving violation only
- A warning, never a ticket
Explanation: Failure of a driver, front-seat passenger, or children under 18 to buckle up is a primary offense, so an officer can stop a vehicle solely for that violation.
Handbook: Driver Responsibility — Seat Belt Law
In a passenger vehicle, who is legally responsible for ensuring that passengers under age 18 wear their seat belts?
- The driver — Correct answer
- Each passenger individually, regardless of age
- The front-seat passenger
- The vehicle's registered owner
Explanation: The driver is responsible for all passengers under age 18, while front-seat passengers 18 and over are responsible for themselves.
Handbook: Driver Responsibility — Seat Belt Law