What Is a Car Safety and Emissions Inspection?

SafeWise experts have years of firsthand experience testing the products we recommend. Learn how we test and review

A car safety and emissions inspection is a government inspection, regulated by each state individually, that ensures cars are safe to drive. There are two essential parts to this state government–regulated inspection. The first is the safety inspection that checks to make sure the car is functioning properly. The second is the car emissions inspection that works to ensure the car isn’t emitting more pollution than is legally allowed.

Each state has different laws and fees for safety and emissions inspections of vehicles, but what each state evaluates is largely the same.

Stay Safe and become a SafeWise Insider!

Sign up for our free weekly newsletter to get the best safety news, product info, and deals.

By signing up, you agree to our Terms and Conditions and Privacy Policy.

What does a car safety inspection include?

When you go in for your auto safety inspection, make sure to bring your car’s registration, your photo identification, proof of insurance, and some form of payment. If you bring all of those items, your inspection should go on without a hitch, and you can expect an inspection of these specific elements:

  • Horn
  • Windshield Wipers
  • Mirrors
  • Steering System
  • Seat Belts
  • Brake System
  • Tires
  • Wheel Assembly
  • Lights
  • Motor, Serial, or Vehicle Identification Number
  • Window tinting
  • Gas caps

Again, there may be some variation depending on your state, but this is usually the standard for a car safety inspection.

What does an emissions inspection include?

A car emission test works to ensure your car’s emission controls are working properly— essentially verifying that your vehicle isn’t putting out too much pollution.

When you go to your car emission inspection, this is generally what happens behind the scenes:

  • Gas Cap Pressure Test: This test ensures your gas cap screws on tightly and keeps fuel vapors from escaping.
  • Second Generation On-Board Diagnostics: This test checks whether or not the on-board computer on vehicles older than 1996 is functioning properly.
  • Inspection and Maintenance: This test evaluates how well the tailpipe emissions and emissions control system is working.
  • Single Idle Speed Test: This test is reserved for cars made between 1976 and 1980, and it measures the vehicle’s emissions while idling.

Car safety and emissions tests do vary slightly from state to state and depending on vehicle age, but they will help make sure you are staying safe and that pollutants are well-regulated.


Compare the top car safety products

Product
Best for
Price
Specs
Stand-out feature
Learn more
Read review
Best vehicle trackerOBD port plug-inMaintenance reminders
Best car alarm3,000 ft rangeRemote start
Diesel engine safe
Best dash cam4K Full HD

170° front and rear

Tolerates -20°F to 176°F
Best navigation system6.95 in. touchscreenVoice control
Steering wheel lockHardened steel

3 different sizes

Tamperproof lock
Best portable car jackLifts up to 15 in. and 3,000 lbs.Lightweight

Affordable

Amazon.com price as of post date. Offers and availability may vary by location and are subject to change. Read full disclaimer.

Celeste Tholen
Written by
Celeste Tholen
Celeste has dedicated her decade-long career to reporting and reviews that help people make well-informed decisions. She oversees editorial strategy and production for SafeWise, with a goal to help everyone find the information they need to make their homes and lives safer. Prior to SafeWise, she worked as an editor and reporter for KSL and Deseret News. She holds a Bachelor's degree in Journalism. In her free time, she volunteers at the local botanical garden and writers for the community newspaper.

Recent Articles

medical alert products on an illustrated background
Best Medical Alert Systems
See which medical alert system is the best to keep you and your loved one...
woman adjusting thermostat in bright home
Best Home Security Systems
After thousands of hours of tests and research, we picked Vivint and SimpliSafe as the...
photo of Canadian house
The Best Home Security Systems in Canada
Find the best home alarm system to protect your house. We looked at price, features,...
Man and woman couple wife husband set up surveillance security camera
Best Apartment Security Systems
These renter-friendly apartment security systems help keep you safe and require less commitment than your...