MOT Advisories: Do They Lead to Failure?

The annual MOT test is a cornerstone of vehicle safety in the UK. It's designed to ensure that cars, vans, and other vehicles meet stringent roadworthiness standards. While many drivers are familiar with the concept of failing an MOT, a more nuanced aspect often causes confusion: the MOT advisory. Many car owners wonder, "Do MOT advisories cause failure?" This article aims to demystify MOT advisories, explain their significance, and clarify how they relate to the ultimate outcome of your MOT test.

Understanding the MOT Test Structure

Before delving into advisories, it's crucial to understand how the MOT test categorises issues. When your vehicle undergoes its annual inspection, the tester will classify any defects found into one of three categories:

• Pass: Your vehicle meets the minimum required standards for roadworthiness.
• Minor Defect: These are issues that don't immediately pose a safety risk or affect the vehicle's performance but should be monitored and repaired in the near future. These are typically recorded as advisories.
• Major Defect: These issues significantly increase the risk of danger to yourself or others, or they affect the vehicle's performance or environmental impact. A vehicle with one or more major defects will fail the MOT.
• Dangerous Defect: These are defects that pose an immediate and serious risk to road safety or have a serious impact on the environment. A vehicle with a dangerous defect will fail the MOT immediately.

The key takeaway here is that a vehicle will only fail the MOT if it has 'Major' or 'Dangerous' defects. Minor defects, which are the basis of advisories, do not, in themselves, cause an immediate failure.

What Exactly is an MOT Advisory?

An MOT advisory notice is issued when a component or system on your vehicle is showing signs of wear or is not performing optimally, but it hasn't yet reached the point where it constitutes a failure. Think of it as a heads-up from the MOT tester. They are highlighting potential future problems that, if left unaddressed, could eventually lead to a failed MOT or a breakdown.

Common examples of MOT advisories include:

• Slight corrosion on the bodywork (not affecting structural integrity).
• Worn tyres with tread depth above the legal limit but approaching it.
• Slightly weak brakes (but still within acceptable limits).
• Shock absorbers showing minor signs of leaks.
• Bulbs that are not the correct colour but are still illuminating the road.

These are all issues that, at the time of inspection, do not breach the legal requirements for roadworthiness. However, they are worth noting and addressing.

The Crucial Link: Advisories to Future Failures

While an advisory itself does not mean your car has failed its MOT, it is a strong indicator of what might cause a failure in the future. The components or systems flagged in an advisory are already showing signs of deterioration. If these issues are ignored, they are highly likely to worsen over time.

Consider the example of worn tyres. If your tyres have a tread depth of, say, 3mm, they might receive an advisory notice stating "Tyres approaching the legal limit." The legal minimum tread depth is 1.6mm. If you continue to drive on these tyres without replacing them, they will eventually wear down below this legal limit. On your next MOT test, the tread depth will be checked again, and if it's below 1.6mm, it will be classified as a major defect, causing your vehicle to fail.

Similarly, a minor leak from a shock absorber might be noted as an advisory. If left unaddressed, the leak could worsen, potentially leading to the shock absorber failing to dampen effectively. This could impact the vehicle's handling and braking, and on the next MOT, it might be deemed a major defect, resulting in a failure.

Why You Should Take MOT Advisories Seriously

Ignoring MOT advisories is a false economy. While they don't cause an immediate failure, they represent a ticking time bomb for your vehicle's roadworthiness and your wallet. Here's why you should act on them:

• Preventative Maintenance: Tackling advisories early is a form of preventative maintenance. It's often cheaper to repair a minor issue than to fix a major problem that develops from it.
• Safety: Many advisories relate to critical safety systems like brakes, steering, and tyres. Addressing these promptly ensures your vehicle remains safe to drive.
• Avoid Future Failures: By dealing with advisories, you significantly increase the chances of passing your next MOT test without any issues. This saves you the hassle and potential extra cost of re-testing.
• Resale Value: A vehicle with a history of well-maintained advisories will likely have a better resale value than one where issues have been ignored.

Can an Advisory Be 'Fixed' Before the Test?

Yes, absolutely. If your vehicle receives advisories, you have the option to have the recommended work carried out either before you collect the vehicle after the test, or at a later date. If you choose to have the work done immediately, the tester can re-inspect the specific items. If they are now satisfactory, they will not appear on the final MOT certificate. If you choose to defer the repairs, the advisories will still be recorded on the MOT certificate, but they won't cause a failure at that specific test.

Common Misconceptions About Advisories

One of the most common misconceptions is that an advisory is a 'minor fail'. This is incorrect. An advisory is a note of a potential problem, not a failure point itself. Another misconception is that advisories are mandatory repairs. While they are strongly recommended, you are not legally obliged to fix them immediately to keep your car on the road. However, as we've discussed, it's highly advisable to do so.

Table: Advisory vs. Failure

To further clarify, let's look at a comparative table:

Frequently Asked Questions

Q1: If I get advisories, do I have to fix them straight away?

No, you are not legally required to fix advisories immediately to continue driving your vehicle. However, it is highly recommended to do so for safety and to prevent future MOT failures.

Q2: Can an advisory be 'cleared' after the MOT?

Yes, if you have the work done that addresses the advisory, and the tester can confirm this during a re-inspection, the advisory will not appear on your MOT certificate as a current issue.

Q3: Are all advisories equally important?

While all advisories should be taken seriously, some relate to more critical safety components than others. It's always best to consult with a qualified mechanic if you're unsure about the urgency of a particular advisory.

Q4: Will my insurance be affected by MOT advisories?

While advisories themselves don't typically invalidate your insurance, driving a vehicle that is not roadworthy due to ignored advisories could potentially impact an insurance claim if an accident occurs.

Q5: What happens if I ignore advisories and my car breaks down?

If your car breaks down due to a component that was flagged in an MOT advisory, you will be responsible for the repair costs. Furthermore, if the breakdown was caused by a defect that would have caused an MOT failure, and you were driving the vehicle, you could face penalties for driving an unroadworthy vehicle.

Conclusion

To directly answer the question: Do MOT advisories cause failure? No, not directly. However, they are a critical warning sign. They highlight areas of your vehicle that are deteriorating and are very likely to lead to a failed MOT if left unattended. Treating MOT advisories as essential maintenance tasks, rather than mere suggestions, is the best approach to ensure your vehicle remains safe, legal, and passes its MOT test with flying colours. Regular checks and prompt attention to these advisory notices will save you money, stress, and most importantly, keep you and other road users safe.

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