7 common myths about car keys and locks

Last Updated on February 11, 2025 by Alan Weir

7 Common Myths About Car Keys and Locks: Busted by an Expert Locksmith

Ah, the world of car keys and locks! It’s fascinating how many myths float around in this area. As an expert car locksmith with years of experience under my belt, I’ve heard them all. They range from the bizarre to the outright ridiculous. So, grab a cuppa, sit back, and let’s debunk seven common myths about car keys and locks that might just surprise you!

Myth 1: All Car Keys Are the Same

Now, this one makes me chuckle every time I hear it. People often think they can pop into any local hardware store and get a key cut for any vehicle. Unfortunately, that’s not the case. Car keys are not one-size-fits-all. Each car manufacturer has its specific key identifying system.

Take, for instance, transponder keys. These nifty little gadgets have a chip embedded within that communicates with your car’s computer. So, if you’re driving a 2018 Ford Fiesta and your mate has a 2017 Audi A3, you just can’t cut and swap keys. If you lose your transponder key or it stops working, you’ll have to consult a professional locksmith, especially one who deals with your make of car.

Myth 2: You Can Just Use Any Lock Pick to Unlock My Car

Ah, the age-old idea that any ordinary lock pick can instantly grant you access to your vehicle. If only it were that simple! Most modern vehicles are equipped with sophisticated locking systems that are incredibly difficult to bypass without the correct tools and methods.

Moreover, it’s crucial to remember that trying to pick locks—especially when it comes to cars—can cause severe damage. If you find yourself locked out, it’s always best to call in a professional. Not only will they safely unlock your car, but they’ll also have the expertise to ensure that no damage is done to your lovely motor.

Myth 3: If You’ve Got a Key, You Can’t Be Locked Out

Picture this: you’re rushing to get somewhere important, and your brain’s in a bit of a tizzy. You’ve got your key in hand, but you still manage to lock yourself out. How? Well, it’s simple. Many folks believe that having a key means they can never be locked out. This couldn’t be further from the truth.

Your key can certainly be in your pocket, but if you accidentally lock the door and the system is designed to prevent key overrides (which is a common feature in many vehicles), you’re still stuck outside. If you’re prone to locking yourself out, I suggest investing in a spare key hidden in a secure location or simply keeping one with a trusted friend or family member. It never hurts to be prepared!

Myth 4: Car Keys Can’t Be Reprogrammed

You may have heard that a lost or broken key is a death sentence for your car’s access. But here’s where the myth busting comes in. Many people forget that car keys, particularly modern ones, can often be reprogrammed by a professional locksmith or your dealer.

If you’ve lost your key or it’s been damaged, don’t panic! Your car won’t suddenly disappear because you can’t unlock it. With the right tools and expertise, it’s entirely feasible to create a new key that your vehicle will recognise. The key is to act swiftly. Waiting too long can lead to more complicated issues, costing you both time and money.

Myth 5: You Don’t Need to Worry About Your Lock Mechanism Until It Breaks

Ah, the classic attitude of "if it ain’t broke, don’t fix it." While this might be a reasonable approach for some household items, it’s an entirely different ball game when it comes to car locks.

At some point, all locks will deteriorate with constant use. Regular maintenance can help prevent you from being locked out or having a key break off in the lock. Things such as lubricating your locks consistently or having them checked during routine servicing can save you a mountain of hassle down the line. Plus, a proactive approach can help spot potential problems before they escalate, sparing you those late-night locksmith calls!

Myth 6: All Keyless Entry Systems Are Infallible

Many folks believe that keyless entry systems make them invulnerable to car theft or lockouts. If only that were true! While these systems are indeed more secure than traditional keys, they are not impenetrable. The rise in technology also led to a rise in car thefts because clever thieves have found ways to exploit vulnerabilities in keyless entry.

Signal amplifiers, for example, can capture your key fob’s signal while you’re in your home. The prowler can then amplify this signal to mimic your key fob, unlocking and starting your car without breaking a sweat. Staying vigilant is crucial. Regularly changing your key fob’s battery and using simple precautions like faraday pouches to protect against signal theft can make a difference.

Myth 7: DIY Repairs Are Just as Good

With the rise of DIY culture, many people think they can fix their car locks or keys with a simple YouTube video tutorial. While there’s absolutely nothing wrong with being handy or wanting to save some money, entering the realm of car locksmithing can lead to more problems than solutions.

Here’s the deal: car locks and keys are intricate systems that require a specific set of tools and, more critically, knowledge to operate them properly. You might think a quick fix will do the job, but more often than not, untrained hands can end up causing irreversible damage. It’s best to leave it to the experts (that’s where I come in) when it comes to anything related to your vehicle’s locking mechanism.

So, there you have it! Car keys and locks are full of myths that can lead to confusion and, let’s face it, a right old faff. If there’s one takeaway from all of this, it’s that when in doubt, consult a qualified locksmith. With proper knowledge and care, you can keep your vehicle secure and avoid unnecessary headaches down the line. Remember, knowledge is power—and as an expert in the field, I’m always here to help you navigate the puzzling world of car keys and locks.

Alan Weir of Weir Locksmiths - contributor to RevLock.co.uk
 | Website |  + posts

Alan Weir – Master Locksmith with 30+ Years of Experience

Alan Weir is the founder of Weir Locksmiths and a Master Locksmith with over three decades of experience. Renowned for his expertise in home and automotive security, Alan has built a reputation for providing reliable and innovative locksmith solutions across the UK.

A certified member of the Master Locksmiths Association (MLA), Alan specialises in residential, commercial and automotive locksmith services including car key replacement, transponder programming, and advanced security systems. His dedication to the field has earned him thousands of satisfied customers and glowing reviews on platforms like Checkatrade.

Now contributing to RevLock, Alan shares his expert knowledge to all of RevLocks visitors.