MOT Guide

What does "MOT advisory" mean?

An MOT advisory is a warning recorded by the tester about an item that isn't currently serious enough to cause a failure — but that should be monitored or repaired before the next test.

The three MOT outcomes

Pass
Vehicle meets the required standard. May still have advisories.
Advisory
An issue noted but not serious enough to fail. Monitoring recommended.
Fail
Vehicle did not meet minimum standards. Cannot be legally driven until repaired and retested.

What does an advisory actually mean for you?

An advisory means your car passed its MOT — but the tester spotted something that's worth keeping an eye on. It's not a fail. You can legally drive the car. But the advisory is a formal notification that the item in question is showing wear or deterioration and may become a failure at a future test.

Some advisories are minor and can be left for a while. Others are more urgent — brake component wear, for example, can progress from advisory to dangerous defect faster than people expect. The right response depends on the specific advisory.

Common examples of MOT advisories

Typical advisory items:
Tyre tread approaching the legal minimum (1.6mm) but not yet below it
Brake pad or disc wear — not failed but getting thin
Corrosion on brake pipes or chassis — not yet structural
Slight oil leak — present but not dripping
Windscreen chips — not in the driver's line of sight, but noted
Suspension component showing early wear
Headlamp adjustment slightly off but within acceptable range

Should I ignore an advisory?

You're legally allowed to, but it's generally not wise. Advisories are the MOT system's way of flagging issues before they become serious failures — or, worse, safety hazards on the road. Addressing an advisory soon after it's issued is almost always cheaper than waiting until it becomes a failure and potentially causes damage in the meantime.

Watch out when buying used: A car with multiple recurring advisories across several MOT tests is a sign the previous owner repeatedly deferred maintenance. Items like corroded brake pipes or chassis rust don't get better on their own.

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