April 19, 2026

MOT Advisories — What They Mean and What to Do

Your car passed its MOT but came back with advisories. Here is exactly what they mean and how urgently you need to act.

What is an MOT advisory?

An advisory is an item the tester noticed that is not yet bad enough to fail the vehicle but is wearing or slightly outside tolerance. The car passes with advisories — they do not affect the MOT certificate validity.

Common MOT advisories

The most frequent advisories involve tyres approaching the 1.6mm legal minimum, brake pads or discs showing significant wear, minor corrosion on the bodywork or underside, and small chips in the windscreen outside the main viewing area.

How seriously should I take them?

A tyre advisory saying tread depth is 2mm means you could need new tyres before your next MOT. Ask the garage to explain the urgency of each advisory if you are unsure.

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