Mirrors and Your MOT: Avoiding Failure

Knowing what's happening around your car is absolutely vital for safe driving, whether you're avoiding a hazard or about to make a manoeuvre. Your mirrors are your eyes on the road's perimeter, providing crucial information that prevents accidents and ensures smooth, confident driving. Given their indispensable role, it's no surprise that mirrors are rigorously checked as part of your vehicle's annual MOT inspection – and a faulty mirror can indeed be the sole reason for failing this critical assessment.

The MOT test is designed to ensure that vehicles on UK roads meet minimum safety and environmental standards. For the driver, this means a comprehensive assessment of their view of the road, which includes not only the condition and function of your mirrors but also an evaluation of your windscreen and wipers. To achieve that coveted MOT pass certificate, your rearview and wing mirrors must meet specific criteria: they must be securely attached to the vehicle and provide an adequate, unobstructed view of the rear and sides.

Beyond the inconvenience and cost of an MOT retest, faulty mirrors pose a significant safety risk. As Chris Jevons, Commercial Director at JTAPE, rightly points out, "Unsecured, broken or improperly adjusted car mirrors can not only make it difficult for drivers to see their blind spots properly, but they can also lead to other dangers and MOT failure in some cases." Therefore, understanding the common mirror mishaps and how to spot them is not just about passing your MOT; it's about ensuring your safety and the safety of others on the road.

The MOT and Your Vehicle's Vision

The MOT test is a cornerstone of road safety in the UK. Every year, vehicles over three years old must undergo this examination to prove they are roadworthy. The 'driver's view of the road' section of the MOT is particularly stringent, as clear and comprehensive visibility is paramount for safe operation. This section scrutinises everything that could impede your ability to see clearly, from cracks in the windscreen to the effectiveness of your wipers, and, of course, the condition and functionality of your mirrors.

For mirrors, the MOT examiner will specifically check several key aspects. Firstly, all mandatory mirrors (typically one rearview and two wing mirrors for modern cars) must be present. Secondly, they must be securely attached to the vehicle. A mirror that wobbles excessively or feels loose is a definite red flag. Thirdly, the mirror glass itself must be in good condition, free from significant cracks or damage that would impair the driver's view. Finally, if the mirrors have integral features like indicator lights or electric adjustment, these components must be fully functional. Any deficiency in these areas can lead to a fail, highlighting just how critical these seemingly simple components are to your vehicle's compliance and overall safety.

Common Mirror Malfunctions That Lead to MOT Failure

Understanding the specific issues that can cause an MOT failure is the first step towards prevention. Many mirror-related problems are easily identifiable and, in some cases, rectifiable before your test date.

Unsecured or Loose Mirrors

One of the most straightforward yet critical failures relates to the security of your mirrors. A mirror that isn't properly secured is not only a distraction due to vibration but could also detach entirely, posing a significant hazard to other road users. "If your car mirror becomes damaged, lost, or ineffective, these defects could land you with an MOT failure," states Chris Jevons.

You are ultimately responsible for ensuring your mirrors are firmly attached. This is particularly important if your vehicle has recently been involved in a minor knock or if the glass itself has been replaced. The expert recommends a simple yet effective routine: check your mirrors every few months. Give them a gentle wiggle to ensure they are firm. If you notice any looseness, particularly if you suspect they might have been hit, address it promptly. For minor looseness, strong mounting tape can sometimes provide a temporary or even long-term fix, but for significant damage, a proper repair or replacement is advisable to ensure lasting security.

Impaired or Broken Adjustment Mechanisms

While personal mirror adjustments vary widely from driver to driver, the *ability* to adjust your mirrors correctly is a fundamental requirement. If the mechanisms that allow you to adjust your mirrors – whether manual or electric – are broken or seized, this could lead to an MOT failure. Chris Jevons explains, "While this won’t necessarily mean that you’ll fail an MOT since adjustments are different for everybody, broken mechanisms for adjusting your mirrors could lead to a failure."

The rationale is clear: if the adjustment mechanisms don't work, you cannot achieve maximum visibility. This lack of optimal vision becomes extremely dangerous during critical driving manoeuvres such as changing lanes, turning corners, or actively scanning for hazards. An examiner will check that you can move your mirrors to provide an adequate view, even if they don't insist on a specific adjustment for the test itself. If the mirror is stuck in a position that offers a poor view, or cannot be moved at all, it's a significant defect.

Non-Functional Mirror Indicator Lights

Many modern vehicles incorporate indicator lights into their wing mirrors. These lights serve a vital purpose, providing an additional visual cue to other drivers about your intended direction change, especially in busy traffic or when your main indicators might be obscured. If your car is equipped with these lights, they are subject to the MOT test, and they must be fully functional.

As the expert warns, "If your car has mirror indicator lights, these must be functioning properly otherwise you could fail an MOT." A malfunction could mean the light flashes continuously, doesn't flash at all, or flashes erratically. Any of these scenarios could be considered misleading to other drivers, creating confusion and potentially leading to an accident. A simple check, as Chris suggests, is to "look at the reflection of the indicator lights when parked" to confirm they are working in sync with your main indicators.

Other Issues: Cracked Glass and Missing Mirrors

While not explicitly detailed in the provided text, it's crucial to understand that damaged or missing mirror glass is also a critical point of failure. A severely cracked mirror glass that significantly obstructs the driver's view will certainly result in an MOT failure. Even minor cracks, if they are within the critical field of vision, might lead to an advisory or a failure depending on their severity. Similarly, a missing wing mirror is an obvious and immediate fail, as it compromises the driver's ability to see crucial blind spots.

Understanding MOT Defect Categories for Mirrors

During an MOT, defects are categorised into Minor, Major, or Dangerous. The outcome of your test depends on which category your mirror issues fall into. Understanding these categories can help you gauge the severity of any problems you identify:

• Minor Defects: These are issues that pose no significant threat to road safety or the environment. They result in an advisory notice on your MOT certificate, meaning you passed, but the issue should be monitored or rectified soon. For mirrors, this might include a very slight chip on the edge of the glass outside the critical viewing area, or a mirror that's slightly stiff to adjust but still functional.
• Major Defects: These are issues that could affect the vehicle's safety, impact other road users, or have an impact on the environment. They will result in an immediate MOT failure. Most of the common mirror malfunctions discussed above – a loose mirror, a broken adjustment mechanism, or a non-functional indicator light – would typically fall into this category.
• Dangerous Defects: These are issues that pose a direct and immediate risk to road safety or have a serious impact on the environment. A vehicle with dangerous defects cannot be driven on the road until the issues are fixed. For mirrors, this would include a mirror that is clearly about to fall off, or a severely damaged mirror that completely obscures a vital field of vision, making the car inherently unsafe to drive.

Here's a table summarising common mirror issues and their likely MOT outcome:

Proactive Mirror Maintenance: Your Role in Road Safety

Regular maintenance checks on your vehicle are not just for the MOT; they are crucial for everyday safety. When it comes to mirrors, a few simple, routine checks can save you from an unexpected MOT failure and, more importantly, contribute significantly to your road safety.

What to Check:

• Security: Gently push and pull on your mirrors. They should feel firmly attached to the vehicle with no excessive play or wobbling.
• Glass Condition: Inspect the mirror glass for any cracks, chips, or discolouration. Even small imperfections can grow over time. Ensure the reflective surface is clear and provides an undistorted view.
• Adjustment Mechanism: If you have manual mirrors, try adjusting them using the internal lever. For electric mirrors, test all directional movements (up, down, left, right) and any other functions like heating or folding. They should move smoothly and respond precisely.
• Indicator Lights: If your wing mirrors have integrated indicator lights, activate your indicators and walk around the car to ensure all lights, including those in the mirrors, are flashing correctly and in sync. A simple reflection check in a shop window or garage door can also work.
• Cleanliness: While not an MOT failure point, dirty mirrors severely impede visibility. Regularly clean your mirror surfaces, especially after driving in adverse weather.

When to Check:

• Regularly: Make it a habit to check your mirrors at least once a month, perhaps when you're checking your tyre pressures or fluid levels.
• Before Long Journeys: Always perform a quick visual inspection before embarking on any significant journey.
• After Any Incident: If your car has been involved in even a minor bump, or if you suspect a mirror has been clipped while parked, immediately check its security and function.

For minor issues like a slightly loose mirror, temporary fixes with strong adhesive tape might suffice until a proper repair can be made. However, for significant damage, broken mechanisms, or missing parts, professional repair or replacement is the safest and most reliable course of action. Investing in proper mirror function is an investment in your safety and the longevity of your vehicle's MOT pass.

Frequently Asked Questions (FAQs)

Can I drive with a cracked wing mirror?

It depends on the severity and location of the crack. A small chip or crack on the very edge of the mirror, outside the critical viewing area, might be an advisory on your MOT. However, any crack that significantly obscures your view, or is within the primary field of vision, will likely result in a Major defect and an MOT failure. Driving with a significantly cracked mirror is also dangerous and could lead to issues with your insurance if you're involved in an accident.

What if my car has no rearview mirror?

For modern cars, a rearview mirror is a mandatory requirement for the MOT, alongside two functional wing mirrors. If your car is missing its rearview mirror, it will fail the test. However, for very old vehicles where a rearview mirror was not originally fitted as standard equipment, and if the vehicle has two functional wing mirrors providing adequate rearward visibility, it might be permissible. Always check specific regulations for vintage vehicles.

Do electric folding mirrors need to work for the MOT?

The electric *folding* mechanism itself is generally not an MOT testable item. What is testable, however, is that the mirror is secure and can be adjusted to provide an adequate view for driving. If a fault with the folding mechanism prevents the mirror from being in a fixed, usable position for driving, or if it affects the mirror's ability to adjust, then it would lead to an MOT failure.

Are aftermarket mirrors allowed for the MOT?

Yes, aftermarket mirrors are generally allowed for the MOT, provided they meet all the necessary safety and visibility requirements. They must be securely fitted, provide an adequate view, and if they include features like indicator lights, those must also be fully functional. The key is that they perform the same function as the original equipment to the required standard.

How often should I check my car mirrors?

It's advisable to perform a quick visual check of your mirrors before every journey, especially for security and cleanliness. A more thorough check, testing adjustment mechanisms and indicator lights, should be done at least monthly, or whenever you're checking other essential vehicle components like tyre pressure or fluid levels. Always check them immediately after any minor impact or collision.

What's the 'critical field of vision' for mirrors?

The 'critical field of vision' refers to the essential area that the driver needs to see through the mirror to safely operate the vehicle. This area is typically the central part of the mirror that provides the clearest view of traffic behind and to the sides. Cracks, chips, or obstructions within this critical area are more likely to be deemed a Major defect during an MOT, as they directly impair the driver's ability to assess surrounding traffic conditions safely.

Conclusion

The message is clear: your car's mirrors are far more than mere accessories; they are fundamental safety components. A faulty rearview or wing mirror can absolutely fail your MOT, but more importantly, it can compromise your ability to drive safely, increasing the risk of accidents. Proactive checks and timely repairs are not just about securing that MOT pass certificate; they are about ensuring your visibility on the road is always optimal, protecting yourself and other road users.

By regularly inspecting your mirrors for security, glass condition, adjustment functionality, and integrated lights, you can address minor issues before they escalate into major problems. This diligence will save you time, money, and the potential headache of an MOT retest, all while contributing significantly to safer driving. Don't underestimate the power of a clear and properly functioning set of mirrors – they are your crucial link to the world around your vehicle.

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