Last Updated on February 11, 2025 by Alan Weir
As a car locksmith with years of experience, I’ve seen my fair share of key fobs that have seen better days. Many folks don’t pay much attention to their key fobs until they stop working, often caught off guard when they find themselves stranded because of a malfunctioning fob. Just like the locks you trust to keep your car safe, your key fob deserves some TLC as well. Let’s chat about how to keep that little electronic wonder in tip-top shape, shall we?
1. Keep it Clean and Dry
You’d be surprised at how a little dirt and moisture can wreak havoc on your key fob. The buttons can accumulate grime, which makes them harder to press over time, and moisture can corrode the internal components. It’s best to clean your fob regularly with a microfiber cloth that’s slightly damp. Don’t go submerging it in water; just a gentle wipe will do the trick.
If your fob has been splashed or if you’ve accidentally dropped it in a puddle, dry it off as soon as possible. Remove the battery if you can, and leave it in a warm, dry place to fully air out. The quicker you act, the better the chances it will function normally again.
2. Avoid Overloading Your Keychain
It might seem convenient to attach every key you own to your car’s key fob, but that added weight can cause unnecessary strain on the fob’s casing. When you jingle your keys, and your fob is swinging along for the ride, it’s facing potential damage from impact or even bending.
Consider streamlining your keychain to keep things light and manageable. A hefty keychain can lead to wear and tear, so stick to the essentials. Keep your car keys separate if you can; it’s not just about looking sleek, it’s about longevity.
3. Handle with Care
Many key fobs are designed to withstand a bit of rough and tumble, but that doesn’t mean they’re invincible. It might be tempting to toss your keys in your bag or drop them onto the coffee table, but this casual handling can lead to damage.
Whenever you can, treat your key fob with the same care you would a delicate gadget. If you have a specific spot in your bag for it or a dedicated hook at home, use those. The less it’s knocked about, the better it’ll hold up over time.
4. Monitor the Battery Life
Battery life is a crucial aspect of maintaining your key fob’s functionality. Key fob batteries typically last around two to three years, but that can vary depending on usage. Keep an eye on your fob’s performance, and don’t wait until it starts to malfunction to replace the battery.
Watching for signs like reduced range or unresponsiveness? It might be time for a battery swap. It’s a simple process, usually requiring just a small screwdriver to pop the fob open. Be sure to note the battery type so you can replace it correctly; an incorrect battery fit can cause more issues down the line.
5. Consider a Key Fob Cover
If you’re particularly worried about your fob suffering from wear and tear, a protective cover can be a smart investment. These covers can guard against scratches, dirt, and even drops. It’s like giving your fob a little suit of armour.
There’s a range of materials and styles available, from sleek silicone to sturdy rubber. Just make sure that whatever cover you choose still allows you easy access to the buttons and doesn’t interfere with your car’s locking and unlocking functions.
6. Avoid Extreme Temperatures
Extreme temperatures can have an adverse effect on keys fobs, just like they can on many other electronic devices. You’d think it’s just a little gadget, but prolonged exposure to very hot or very cold conditions can damage the circuitry.
So, if you get home and it’s a scorching summer day, don’t leave your fob sitting on the dashboard—find a cooler spot instead. Likewise, stashing your keys in a winter coat pocket might seem safe until you realise how chilly it can get. It’s best to keep your fob at room temperature whenever possible.
7. Be Cautious with DIY Repairs
We’ve all been there: a little glitch seems to be impacting your key fob, so you think you can take a crack at it. While there are minor repairs you can safely do, like changing the battery, be cautious about any deeper fixes.
If you’re uncertain about any repairs, it’s often best to consult with a professional locksmith. They have the tools and expertise needed to get things back in working order without risking further damage. A harmless DIY approach can quickly become a game of trial and error, leaving you potentially worse off than you started.
8. Keep It Away from Other Electronics
Most of us carry various electronic devices around daily, and these can sometimes interfere with your fob’s communication signals. Try to keep your fob separate from things like mobile phones, tablets, and laptops when you can.
If you notice your fob’s working fine when it’s in a certain place but glitches out when it’s nearby another gadget, you might have found the culprit. It’s always worth a little space for the sake of reliability.
Every little piece matters when it comes to the smooth operation of your vehicle, and your key fob is a vital part of that machinery. By keeping your fob clean, functioning, and well-protected, you can ensure it will be there for you, reliable and ready to go whenever you need to hit the road.
So stay aware and gentle with that fob of yours. Each of these tips plays a part in extending its lifespan, helping you avoid those pesky moments when you find yourself fumbling for a backup plan. In the world of car ownership, a little proactivity goes a long way!
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.
