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If you’re planning to register your vehicle or put it up for sale, you must obtain a roadworthy certificate. This will help ensure that:

1. Your car is in good working order and meets all safety requirements;

2. You’re able to drive it on the road legally; and

3. You’re not hiding any defects or problems with the vehicle.

However, getting the roadworthy certificate in one go is difficult. After all, you must overcome the steps and tests required by your state to get a safety certificate. Nonetheless, if you’re keen on getting this certificate no matter what, here are the following safety mistakes you must avoid to pass your test.


Did you know that more than 150,000 failed examinations in 2013 because of tyres? The thing about tyres that can make you fail is if the tyre is bald, has a cut, is more than 2.5 mm thick, or has a puncture. Another thing to consider is whether you have the correct type of tyre for the conditions. For example, you should have winter tyres during the colder months and all-weather tyres in the summer.

In addition, you need to have the correct tyre pressure and alignment to ensure your vehicle is safe to drive. Make sure you bring your vehicle in for a safety check if you’re not sure about any of these things.


A cracked or chipped windscreen is another mistake that can lead to your certificate failure. After all, your windscreen is responsible for keeping the wind and rain out of your car, which is essential for safe driving. If your windscreen is damaged, it can lead to a loss of visibility and, as a result, a potential safety hazard.

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If you detect any cracks or chips in your windscreen, it’s important to take action. You can get a replacement windscreen from your car dealership, or you can take your car to a mechanic to have it repaired.


Car modifications are made for various reasons, such as improved performance, increased fuel efficiency, reduced weight, and enhanced appearance. However, car modifications can also have consequences that affect your driving safety. For example, installing a performance enhancement device (PED) such as a supercharger on your car can affect your ability to drive safely.

If you’re considering making any car modifications, it’s important to consult with a qualified mechanic. Make sure to ask about the possible consequences of those modifications and whether they’re safe for you to make.


You might not think about it, but lights are one of the top reasons drivers fail their roadworthy certificate exams. This is because most drivers aren’t familiar with the rules that apply to driving at night. For example, you must always use your headlights when driving with a speed limit of 50 km/h or less.

To avoid this problem, always use your lights when you’re driving. You can use your headlights, daytime running lights, or turn signals. Make sure to turn your lights on when you start your car and turn them off when you stop.

Final Thoughts

You can fail your roadworthy certificate for several reasons, so it is important to be aware of the warning signs and take simple steps to avoid them. By adhering to these tips, you ensure your vehicle remains roadworthy and meets the safety requirements of the law.

See also  Brisbane Residents' Guide to Hassle-Free Mobile Safety Certificates

SAB Safety Certificates provides a same-day mobile roadworthy certificate in Brisbane and a pre-purchase automobile inspection in Brisbane to ensure you pass your safety certification. Get in touch with us today for more information!

SAB Safety Certificate

Your trusted source for Roadworthy Certificates in Queensland, Australia. We've been ensuring your safety on the road for over a decade. With SAB Safety Certificate, you're in reliable hands.