The Ultimate 2026 Pre-MOT Checklist

Every year, millions of cars fail their MOT test over minor issues that could have been fixed at home. In 2026, the Driver and Vehicle Standards Agency (DVSA) has tightened up on various inspection criteria, making it more important than ever to prepare your vehicle beforehand.

This ultimate pre-MOT checklist will walk you through the essential steps to ensure your car sails through its test. By taking just 30 minutes to inspect your vehicle, you can save yourself the hassle of a retest and potentially costly garage repair bills.

1. Check Your Lights and Indicators

Faulty bulbs are one of the most common reasons for an MOT failure. It is incredibly frustrating to fail because of a £2 lightbulb. Ask a friend or family member to walk around the car while you test the following:

• Headlights (dipped and main beam)
• Front and rear side lights
• Indicators (including side repeaters)
• Brake lights (including the central high-level strip)
• Reversing lights and fog lights
• Number plate lights

If any are blown, replace them immediately. Keep a spare bulb kit in your boot just in case.

2. Inspect Tyres and Wheels

The legal minimum tread depth in the UK is 1.6mm across the central three-quarters of the tyre. However, it is highly recommended to replace tyres before they reach this limit. Use a 20p coin to check your tread depth: if the outer band of the coin is visible when inserted into the groove, your tyres are dangerously low.

Also, inspect the tyre walls for any cuts, bulges, or tears. Check that your tyre pressures match the manufacturer's recommendations. An under-inflated tyre can affect the car's handling and braking, which may lead to an MOT advisory or failure.

3. Windscreen and Wipers

Any damage to your windscreen directly in the driver's line of vision that is larger than 10mm will result in an MOT fail. Elsewhere on the windscreen, the limit is 40mm. Check for chips or cracks and have them repaired by a professional if necessary.

Next, check your windscreen wipers. They must be able to clear the screen effectively without leaving streaks or smears. If the rubber blades are torn or perished, replace them. Don't forget to top up your screenwash bottle before the test, as an empty bottle is a guaranteed fail.

4. Check the Seats and Seatbelts

The driver's seat must be fully adjustable and lock securely into place. Pull all the seatbelts all the way out and inspect them for any fraying, cuts, or damage. Give them a sharp tug to ensure the locking mechanism engages properly. Ensure all the seatbelt receptacles function correctly and release smoothly.

5. Top Up Fluid Levels

While the MOT test doesn't check the mechanical condition of the engine, the tester will need to rev the engine to check emissions. If your oil level is dangerously low, the tester may refuse to carry out the emissions test, resulting in an automatic failure.

Check the following fluids under the bonnet:

• Engine oil
• Engine coolant
• Brake fluid
• Power steering fluid (if applicable)

6. Dashboard Warning Lights

Since the MOT regulations changed, any illuminated warning lights on the dashboard—such as the engine management light, ABS, airbag, or TPMS (Tyre Pressure Monitoring System)—are an instant failure. Turn the ignition on and ensure all lights illuminate briefly and then go out. If a warning light stays on, you will need to have a diagnostic check and repair before your MOT.

7. Clean Your Car

While an untidy interior won't cause an MOT failure directly, a heavily cluttered or dirty car can lead the tester to refuse to test the vehicle. Clear out any rubbish from the boot and footwells, and ensure the tester can easily access the seatbelts and inspect the floorpan.

By following this 2026 Pre-MOT Checklist, you give your vehicle the best possible chance of passing with flying colours. Remember, prevention is always cheaper than a cure!