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Can I Drive With MOT Advisories? The Legal Position Explained

The short answer is, yes, you can legally drive a vehicle with MOT advisories. An advisory note (formerly known as a “Yellow”) identifies a potential issue that is not yet serious enough to fail the MOT test. It does not render the vehicle unroadworthy.

However, ignoring advisories can lead to “Dangerous” defects, which carry a penalty of 3 points and a £2,500 fine. The law distinguishes strictly between Advisory, Minor, Major, and Dangerous defects.

MOT Defect Categories: Green, Amber, Red

Since 2018, the DVSA has categorised defects into three strict tiers. You must understand where your vehicle stands to stay legal.

Defect Category Can I Drive? Legal Action Required
Advisory / Minor
(Green/Yellow)
YES Legal to drive. Monitor the issue and repair it sooner rather than later.
Major Defect
(Amber)
NO* MOT Fail. You must repair it immediately. *You may only drive it if your current MOT certificate is still valid and the car is roadworthy.
Dangerous Defect
(Red)
NEVER Immediate Fail. Do not drive the vehicle from the test centre. Driving a “Dangerous” vehicle is a strict liability offence.

The Risk of Using a Vehicle in a Dangerous Condition

While an advisory itself is not illegal, ignoring and allowing that advisory to worsen can lead to prosecution under Section 40a of the Road Traffic Act 1988.

If an advisory item (e.g., “tyre worn close to legal limit”) deteriorates into a Dangerous defect (e.g., “ply or cord exposed”), police can prosecute you for “Using a Vehicle in a Dangerous Condition.”

The Penalties

  • 3 Penalty Points on your licence.
  • Fine of up to £2,500 per fault (e.g., 4 bald tyres = £10,000 potential fine).
  • Disqualification (Magistrates’ discretion for repeat offenders).

Does an Advisory Invalidate My Insurance?

Generally, no. An advisory means the car is legally roadworthy, so your insurance remains valid.

However, if you have a Dangerous defect or your MOT has expired, your insurance is almost certainly invalid. In the event of an accident, the insurer may refuse to pay out if they can prove the defect contributed to the crash.


3 Common Advisories You Should Fix Urgently

Just because it passed, doesn’t mean it’s safe forever. The following advisories can deteriorate quickly and should be addressed within 3 months:

  • Brake Pads Wearing Thin: A thin pad is legal, but 500 miles later it could be metal-on-metal (Dangerous).
  • Tyres Close to Legal Limit (1.6mm): Wet weather stopping distances increase dramatically below 3mm.
  • Corrosion to Sub-frame: Rust never sleeps. Slight corrosion today is structural failure next year.

Frequently Asked Questions

How long do I have to fix MOT advisories?
There is no specific legal time limit for fixing advisories. However, roadworthiness is continuous. If an advisory (like a worn tyre) deteriorates into an illegal defect a week after the test, you can be fined immediately. We recommend fixing advisories within 3 months or sooner, depending on mileage.
Can I sell a car with MOT advisories?
Yes. You can legally sell a car with advisories. However, the advisories are public record via the DVLA MOT History checker. Potential buyers will see them, which usually reduces the vehicle’s value or gives them leverage to negotiate a lower price.
Do MOT advisories affect my car insurance?
Generally, no. As long as the vehicle has a valid MOT certificate and is not “Dangerous,” your insurance remains valid. However, if you have an accident and the insurer proves that a neglected advisory (e.g., bald tyres) caused the crash, they may refuse to pay out.
What is the difference between a “Minor” and an “Advisory”?
A Minor defect (e.g., a broken number plate light) is a defect that must be fixed, but isn’t severe enough to fail the test. An Advisory is a warning about a part that is wearing out (e.g., a tyre at 2mm tread) but is currently legal. Neither will fail the MOT.

Conclusion: Roadworthiness is a Continuous Duty

Passing your MOT is not a free pass to ignore your vehicle’s condition for another 12 months. The law requires your vehicle to be roadworthy every single time you drive it.

Driving with advisories is legal, but driving a vehicle in a dangerous condition is a strict liability offence. If your advisories worsen, you risk 3 penalty points, a £2,500 fine, and potentially invalidated insurance.

The smartest legal strategy is to treat an advisory as a “fix list” rather than a “pass.”

Worried About a Vehicle Defect Charge?

If police claim your vehicle is in a dangerous condition, the penalties can be severe. Expert legal advice can help mitigate the points or challenge the evidence.

Request a Free Consultation Today »


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I am a criminal lawyer with over 25 years of experience and specialising in the defence of Road Traffic (driving) prosecutions and the founder and Senior Partner of Caddick Davies Solicitors.
Neil Davies

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