en
0

Shopping Cart

closeCart
€0.00

Are Key Fobs Waterproof? A Comprehensive Guide to Keeping Your Key Fob Safe

  • /
  • Blog
  • /
  • Are Key Fobs Waterproof? A Comprehensive Guide to Keeping Your Key Fob Safe
Post Name
21.01.2025

In an era of advanced automotive technology, key fobs have become an essential part of modern driving. From unlocking doors to starting engines remotely, these small yet powerful devices are a marvel of convenience. However, one question often looms in the minds of car owners: are key fobs waterproof? With water being a common hazard in everyday life, understanding the limitations and care requirements of your key fob is crucial.

Understanding Key Fob Technology

Key fobs are more than just electronic keys; they are compact computers that communicate with your car. Using radio frequency (RF) technology, they transmit encrypted signals to your vehicle, enabling features like remote locking, engine start, and even personalized settings. This intricate technology is housed in a small casing that protects the internal components.

While key fobs are designed to endure daily wear and tear, their resilience to water varies. Some models offer water resistance, but this is not synonymous with being fully waterproof. The degree of water resistance depends on the design and build quality of the key fob, which can differ significantly between manufacturers and models.

Are Key Fobs Waterproof or Water-Resistant?

The terms “waterproof” and “water-resistant” are often used interchangeably, but they have distinct meanings. Waterproof indicates that a device can be submerged in water without damage, while water-resistant means it can withstand splashes or brief exposure to water but not submersion.

Most key fobs fall into the latter category. For example, some car manufacturers claim their key fobs can handle minor splashes or light rain. However, prolonged exposure to water or immersion—such as dropping your fob into a pool—can damage the electronic components and render the device unusable.

Global Standards and Variability

Globally, there is no universal standard governing the water resistance of key fobs. Manufacturers often follow internal guidelines or industry best practices. In some regions, automakers have started offering key fobs with improved water resistance as a response to customer demands for greater durability. For instance, luxury brands like BMW and Mercedes-Benz have introduced models with enhanced protection, but even these devices are not guaranteed to survive complete immersion.

Comparatively, in markets where cost efficiency is prioritized, such as in certain developing countries, key fobs may lack advanced water-resistant features. This variability underscores the importance of checking the specifications of your specific key fob model.

What to Do If Your Key Fob Gets Wet

Accidents happen, and it’s not uncommon for key fobs to encounter water. If your key fob gets wet, quick action can often prevent permanent damage.

First, remove the key fob from water immediately and dry it thoroughly with a soft cloth. If possible, open the casing to allow air circulation and dry the internal components. Avoid using heat sources such as hair dryers, as excessive heat can warp the plastic casing or damage the sensitive electronics.

In cases of significant water exposure, placing the key fob in a container of uncooked rice or silica gel packets can help absorb moisture. However, this is not guaranteed to save a severely water-damaged key fob. If the device does not work after drying, contacting a professional locksmith or dealership for repair or replacement is the best course of action.

Tips for Protecting Your Key Fob

To minimize the risk of water damage, there are several precautions you can take:

  1. Use a protective case or cover designed specifically for key fobs. These accessories provide an added layer of protection against moisture and physical impacts.
  2. Avoid placing your key fob in pockets or bags where it may come into contact with liquids, such as water bottles or spilled drinks.
  3. Store your key fob in a designated dry area when not in use, particularly in environments where water exposure is likely, such as beaches or pools.

The Future of Waterproof Key Fobs

As technology advances, so does the potential for more robust key fobs. Automotive manufacturers are exploring the use of advanced materials and sealing techniques to create truly waterproof devices. Additionally, the rise of smartphone-based digital keys may eventually render physical key fobs obsolete, eliminating concerns about water damage altogether.

Internationally, innovations in waterproofing technology are being driven by consumer demand and environmental considerations. For example, in regions with high humidity or frequent rainfall, automakers are under pressure to offer more durable solutions. As a result, future key fobs may combine water resistance with other features, such as solar charging or biometric security.

Navigating the Realities of Key Fob Care

Key fobs are indispensable in modern driving, but they are not invincible. While some offer limited water resistance, the majority are vulnerable to prolonged exposure or immersion. Understanding these limitations and taking proactive measures to protect your key fob can save you time, money, and frustration.

As technology evolves, the prospect of waterproof or entirely digital keys becomes more realistic. For now, car owners should familiarize themselves with the specifications of their key fobs and follow best practices for care. Whether you’re navigating a sudden downpour or an accidental spill, a little knowledge and preparation can go a long way in safeguarding your key fob and ensuring uninterrupted access to your vehicle.

Related Posts

What to Do If You Lose Your Car Keys While Travelling?
10.11.2025

What to Do If You Lose Your Car Keys While Travelling?

1. Why this happens and why you must act fast Losing car keys while travelling is more common than you might assume. Whether it’s slipping out of a beach bag, leaving them at a café or dropping in transit, your vehicle becomes vulnerable. In addition, modern keys increasingly contain electronic transponders , chips or fobs—meaning replacement cost and complexity shoot up. When you’re away from home, both the stress and the stakes increase: you may face towing, expensive replacements or worse — being stranded. The sooner you act the less time you give for theft, theft-of-opportunity or further cost escalation. 2. Immediate steps when you realise your keys are missing a) Stay calm and retrace your steps Start by pausing. Panic hampers clear thinking. Consider the last time you remember using your keys: in the car, on unloading luggage, at hotel reception. Retrace your route slowly. As RAC advise, this step often resolves the problem without cost. b) Search systematically Check all pockets, bags, seats, coat hangers, beach bags, under cushions, in and around your car. If you’re staying somewhere temporarily, check hotel rooms, fuelling stations, parking lots. As one travel-site suggests: “Go through all your pockets… look around all surfaces in your hotel room”. c) Contact places you visited Call restaurants, cafés, shops, airport parking or hotels where you parked the vehicle. Key finders are often handed in. d) Assess risk of theft If you suspect the keys were stolen (pick-pocket, hotel burglary or unattended vehicle) you should alert local police and your insurance provider—once a key is missing, your vehicle security is compromised. e) Secure the vehicle If the vehicle is parked in an insecure location, consider moving it (if possible) or arranging towing. Leaving it locked but unattended increases theft risk. 3. How to use replacement key delivery services Replacement key delivery refers to services that cut and program a new car key and deliver it (or have it fitted) to your location—whether your holiday base, airport car park or home driveway. Steps to follow: Have vehicle details ready: make, model, year, registration number, VIN if available. Choose service: For UK and travel users, many auto-locksmiths offer mobile services that come to you. Confirm delivery logistics: Where is the vehicle parked? Will you be present when the key is delivered or fitted? If abroad, is the company able to support your location? Understand key type: Basic mechanical, transponder chip key, keyless fob—all vary in price and logistics. Check old key de-activation: A top provider will delete the lost key’s code so it cannot be used in future—critical for security. Why this is often your best path while travelling Going via your vehicle manufacturer dealer is often slower and pricier — as UK guide notes: “The quickest and least expensive way … is via an auto locksmith.” In a foreign locale, a mobile specialist or key-delivery service saves towing the vehicle and waiting for factory part shipment. 4. Hiring an emergency locksmith: what to look for When you’re locked out or stranded, an emergency locksmith (24-hour) can be your lifeline. But not all are equal. Checklist: Confirm they specialise in auto locksmith / car key replacement , not just domestic locks. Ask for credentials (affiliation with industry body). Insist on proof they will delete/pair the key to your vehicle (so lost key becomes useless). Understand travel/overseas call-out charges. Before arrival, ask for an estimate and payment process (card, cash etc.). Some holiday locales only accept cash. Stay with your vehicle in a safe public place. If you are on a remote vacation site, move to well-lit area before the locksmith arrives. Typical process: The locksmith arrives, verifies ownership (ID + logbook/V5C). They cut and/or program a key, or fix the lock/immobiliser if required. You pay for service and receive the new key — vehicle is back on the road. 5. Insurance, roadside cover and overseas travel issues Insurance/key cover Do you have lost key cover? Most UK car insurance policies don’t include lost keys as standard. You might need a premium add-on. If you claim, your no-claims bonus may be affected. Breakdown/roadside assistance Your breakdown provider (e.g., Motorway or RAC ) may offer key services, but often their vans don’t carry full key-programming equipment. So an auto locksmith still may be needed. Travelling abroad Check if your insurance/cover extends to the country you’re in. Confirm language support and local currency charges with any service you call. If you rented the car: contact the rental company immediately — they may have specific protocols for lost keys (often expensive). 6. Special cases: rental vehicles, keyless entry & fobs Rental vehicles When you lose the keys to a hire car abroad, you are likely to be liable for high fees. Rental companies will likely charge for towing and replacement, not just the locksmith. According to travel forums: “We do not offer coverage for lost keys… The replacement fee of $125 for lost key.” Call the rental agency, follow their instructions, and keep all receipts. Keyless / smart keys & modern cars Most vehicles since 2000 use transponder chips or keyless systems. Replacement these can cost several hundred pounds—UK guides show typical range from £100–£300 or more depending on brand. When you lose a keyless fob, you may need the original still in possession or need the vehicle brought to the dealer. Factor this potential delay into your travel plans. Single key left If you only have one remaining key, treat it as your last key. Get a spare made ASAP once you’re home so you’re not in the same situation again. 7. Preventative measures for your next trip Always carry a spare key at home or with a trusted person. Use a tracker (such as an AirTag or Bluetooth key-tracker) on your keyring. UK blogs suggest this simple tech helps locate lost keys. Establish a routine spot where you place your keys at the start of every journey. If you have old keys (house + car), don’t mix them during travel. Note down your vehicle details (make, model, registration, VIN) in your phone before travelling—so you’re ready if you need a replacement. For holiday car hire, take a photo of the key and keep the rental company’s emergency phone number saved. FAQ Q: What happens if I lose my only car key and I’m abroad? A: You’ll need to contact an auto locksmith or dealer who can cut and program a new key. Have vehicle details ready. Expect cost and waiting time to increase since you have no spare. Q: Can I just use a dealer to replace the key? A: Yes, but often it’s slower and more expensive . UK guides claim mobile auto locksmiths are typically faster and cheaper. Q: How long does replacement take? A: For many modern cars, the physical key can be cut quickly, but programming and blank arrival may take days. Dealers might take up to weeks. Q: Will my car insurance cover a lost key? A: Only if you have key-cover added or your insurance includes it—not standard. Check your policy. Claiming may affect your no-claims status. Q: What should I do if I lose the key and my car is locked in a remote place? A: First make sure you are safe. Then use your breakdown/roadside cover to move the vehicle to a safe area if needed. Then call an emergency auto locksmith to attend and provide a replacement. Need a reliable solution now? Visit our shop at mr-key.com to discover how we can cut and deliver replacement car keys swiftly—even when you’re travelling.

How to Easily Find Your Key Code for a Hassle-Free Replacement
04.11.2024

How to Easily Find Your Key Code for a Hassle-Free Replacement

When it comes to replacing a car key , knowing your key code is essential. This code allows you to obtain a precise duplicate, ensuring that your new key fits seamlessly without any issues. Whether you've lost your key, broken it, or simply need a spare, understanding where to locate this code can make the replacement process faster and more affordable. In this guide, we’ll walk you through what a key code is, where to find it, and tips to ensure a smooth replacement process. Why Is the Key Code Important? A key code is more than just a number; it's a unique identifier that tells a key cutter exactly how to replicate your key. Without it, the process can be longer, more complicated, and potentially costly if the key doesn’t match your vehicle’s lock. Ensures a Perfect Fit : The key code guarantees that your new key will be cut to match your original one precisely. Saves Time and Money : With the correct code, you can avoid trial and error, reducing the risk of needing multiple key replacements. Improves Security : Knowing the exact specifications of your key can prevent unauthorized duplicates. Types of Key Codes Key codes come in different types depending on the key and vehicle model. Here are the main types: Direct Code : Often a 4 to 8-digit code, this code can be entered directly into a key-cutting machine for accurate replication. Indirect Code : This type of code requires a conversion chart to find the direct key code. Though indirect codes aren’t as common, they may still appear on some older models. Blind Code : Sometimes, the code may not be directly readable or is hidden in the key's design. These require decoding using a specialized tool or software. Understanding which type of code you have can make the process smoother when you’re ready to replace your key. Common Locations for Key Codes Finding the key code isn’t always straightforward, but with a few tips, you can track it down more easily. Here are the most common places to check: 1. Vehicle Manual Your vehicle’s manual often contains useful information, including the key code. It’s usually found in the section detailing the vehicle’s locking system. The manual may also provide guidance on other important security features, so it’s a great place to start. Tip : If you can’t find it in the manual, try looking in the index under “keys” or “security.” 2. Key Fob or Key Itself For some keys, the code is printed directly on the key or key fob. Look closely at the metal part of the key or the plastic casing for a small series of numbers. This code may be faint, so you may need a magnifying glass or good lighting. Tip : Be cautious when handling the key to avoid damaging the code. A worn key can sometimes obscure the code, so check carefully. 3. Vehicle Registration and Documents Some vehicle documents, especially those you receive when you first purchase the car, may include the key code. Check any paperwork related to the purchase, including sales documents, registration, and the car title. Tip : Keep these documents safe as they contain essential information for ownership and replacement needs. 4. Original Key Packaging If you have access to the original packaging of the key, such as a bag or box, the key code is sometimes printed there. This is especially common if the key came from a dealer or as part of a new car purchase. Tip : Always save key packaging, as it can provide helpful information for future reference. 5. Contacting the Dealership If you’re unable to locate the code yourself, you can reach out to the dealership where you purchased the vehicle. Dealerships often keep records of key codes, especially if the vehicle is still under warranty. Some may provide the code for free, while others might charge a fee. Tip : Have your vehicle identification number (VIN) handy when contacting the dealership, as it can help verify your ownership. Tips for Safe Key Code Storage Once you have located your key code, it’s important to keep it safe to make future replacements easier. Here are some tips: Store Digitally : Save the code in a secure document on your phone or computer. You can even use a password-protected note or cloud storage. Keep a Physical Copy : Write down the code and store it with other important vehicle documents, like your insurance and registration. Avoid Sharing the Code : Treat the key code like a password; only share it with trusted professionals when necessary for replacements. What to Do if You Can’t Find the Code If your search for the code has been unsuccessful, don’t worry—there are still options. Here’s what to do: Contact a Professional : Some professionals can create a new key by decoding the lock without needing the original key code. This is particularly helpful if you’ve lost all copies of your key. Request Assistance from the Manufacturer : In some cases, you can contact the vehicle’s manufacturer for support. They may ask for documentation proving ownership and might provide the code directly or guide you through the next steps. Benefits of Knowing Your Key Code Having the key code at your fingertips offers several advantages, whether you need a quick replacement or simply want peace of mind. Saves Time in Emergencies : If you lose your key unexpectedly, having the code handy allows for faster replacements. Lower Replacement Costs : With the exact code, key makers can avoid unnecessary recutting, saving you money. Simplifies Multiple Key Requests : If you need multiple copies, the code makes it easy to obtain several accurate replacements without errors. Locating and safely storing your key code can simplify the replacement process significantly. By knowing exactly where to look for the code and keeping it secure, you can avoid potential stress and save both time and money when the need for a replacement arises. Taking these steps now ensures that, should you ever need a new key, the process will be as smooth and efficient as possible.

Lost Your Westfalia Towbar Key? Here's What to Do
30.07.2025

Lost Your Westfalia Towbar Key? Here's What to Do

Have you lost your Westfalia towbar key just before a long-planned trip or an important towing job? Don’t worry, you’re not alone. Every year, thousands of drivers face the same issue: the towbar key disappears right when it's needed most. Westfalia detachable towbar keys are usually used only a few times per year – often for summer holidays, camping trips, towing, or moving. Because they are used so rarely, they often get forgotten for months. It's easy to lose track of where they were last placed: in the glove compartment, a drawer in the garage, or a coat pocket? Fortunately, there's a simple solution – without having to replace the entire towbar system. Step 1: Check the Lock Cylinder for a 5-Digit Code Take a close look at the front of your Westfalia towbar lock, around the keyhole. Many models have a 5-digit code engraved directly into the metal. If the code is between 20000 and 50000, it is your personal key code. This code allows professional key services (like MR-KEY) to create a perfectly matched replacement key – without the original. Examples of valid codes: 23456 27891 49821 You can enter this code directly into an online order form. Order a replacement key here: https://mr-key.com/cat/towbars-keys What if You Only See 3 Digits? Sometimes, you might only find a 3-digit number on the lock body (e.g., 104, 287). Unfortunately, these numbers are not valid key codes . They usually refer to batch numbers or internal components. In this case, we recommend: Conducting a thorough search for the original key (glove compartment, toolbox, jacket pockets, etc.) If the key cannot be found, consider replacing the towbar locking mechanism Tip: Make a Spare Key While You Still Can If you still have your original Westfalia towbar key, now is the perfect time to make a copy . Many Westfalia keys show a code like: 2W01 to 2W50 This code is usually engraved on the metal shaft of the key and matches your towbar lock. With this code, we can quickly and affordably produce a precise duplicate. Why make a spare key? Avoid last-minute panic before departure Reduce costs by preventing lock replacement Fast delivery when ordering by code Order here: https://mr-key.com/cat/towbars-keys Fast and Professional Westfalia Key Service At MR-KEY , we specialize in duplicating Westfalia towbar keys by code. Our service is fast, precise, and hassle-free: Simply provide the 5-digit lock code (20000–50000) We cut the key using high-precision machines Every key is checked before shipping In most cases, shipping is completed within 24 hours . Quick Overview Situation Can a New Key Be Made? What to Do 5-digit code on the lock (20000–50000) Yes Order a key by code Only 3-digit number on the lock No Search for the key or replace the lock Original key with "2W" code present Yes Have a spare key made Tips: How to Avoid Losing Your Key in the Future To avoid ending up in this situation again, follow these simple tips: Store your spare key in your vehicle documents folder or glove box Label your keychain with "Towbar" for easy identification Take a photo of your key code and save it on your phone or in the cloud These small steps can save you time, stress, and money. Losing your Westfalia towbar key doesn't have to ruin your travel plans. As long as your lock has a valid 5-digit code between 20000 and 50000 , a replacement key can be made and shipped quickly. And if you still have the original key? Make a copy now – a small investment for long-term peace of mind. Order your Westfalia replacement key now: https://mr-key.com/cat/towbars-keys Safe travels!

The Ultimate Checklist for Maintaining Your Car's Electronic Systems
21.06.2024

The Ultimate Checklist for Maintaining Your Car's Electronic Systems

Why Regular Car Maintenance Matters Taking care of your car is more than just keeping it clean; it's about ensuring it stays reliable, safe, and efficient. When you stick to a regular maintenance schedule, you save yourself from costly repairs down the road and improve your vehicle’s lifespan. Whether you drive daily or occasionally, routine maintenance is something every car owner should prioritize. Here’s a simple breakdown of what you should check and when, so you can keep your car in top shape without breaking the bank. The Basics: Monthly Car Maintenance Checklist Think of this checklist as your car’s health routine. Performing these quick checks every month will help catch minor issues before they turn into big (and expensive) problems: Check the Oil Level : Pull out the dipstick, wipe it clean, reinsert, and check the level. Low oil can damage your engine over time. Inspect the Tire Pressure : Use a pressure gauge to ensure your tires are inflated to the recommended PSI. Under-inflated tires wear faster and decrease fuel efficiency. Top Off Windshield Washer Fluid : Keeping your windshield clean improves visibility and safety. Look for Visible Leaks : Check under your car for any oil, coolant, or fluid leaks. If you spot something unusual, it’s time to consult a professional. Test the Lights : Make sure all your lights—headlights, brake lights, and signals—are working properly. These tasks take less than 10 minutes and can help you avoid unexpected surprises on the road. Every 3,000–5,000 Miles: Oil Changes and Inspections Oil is your engine's lifeblood. Over time, oil breaks down, causing it to lose its ability to lubricate and protect your engine. Changing the oil regularly—about every 3,000 to 5,000 miles, depending on your vehicle—is crucial. What to do: Replace the oil filter alongside the oil to ensure clean circulation. Inspect the belts, hoses, and filters for any cracks or wear. Rotate your tires to promote even tread wear and extend their lifespan. Following this schedule will improve engine performance and fuel efficiency while reducing wear and tear. 6-Month Maintenance: A Deeper Look Every six months (or around 6,000–7,500 miles), it’s time to give your car a more thorough inspection. This ensures that everything continues to operate as it should: Check the Battery : Look for corrosion on the terminals and ensure the battery has enough charge. A weak battery can leave you stranded. Inspect Brake Pads and Rotors : Squealing or grinding noises may indicate it’s time for new brake pads. Safe brakes are non-negotiable. Replace Wiper Blades : Worn-out wipers reduce visibility during rain or snow. Swap them out for a clear view. Check Fluid Levels : Inspect coolant, transmission fluid, and brake fluid. Top them off if necessary or replace them according to your vehicle’s manual. Annual Car Maintenance: Keep It Running Like New Your annual maintenance routine focuses on long-term performance and reliability. Here’s what to prioritize: Replace the Air Filter : A clean air filter improves engine efficiency and fuel economy. Examine the Suspension and Alignment : If your car pulls to one side or the ride feels bumpy, it’s time to get your alignment and suspension checked. Flush and Replace Fluids : This includes coolant, brake fluid, and transmission fluid. Over time, these break down and need to be replaced to prevent damage. Inspect the Exhaust System : Check for leaks, damage, or unusual noises. A faulty exhaust can impact fuel efficiency and safety. Annual checkups ensure your car remains reliable for years to come, saving you money on unexpected repairs. Pro Tip: Pay Attention to Your Car’s Warning Signs Your car has built-in systems to tell you when something’s wrong. Ignoring these warning signs could lead to bigger issues down the road: Check Engine Light : Don’t dismiss this. It’s your car’s way of saying it needs immediate attention. Strange Noises : Grinding, squealing, or clunking sounds are often red flags for underlying problems. Vibrations or Pulling : This could signal alignment issues, tire imbalances, or suspension problems. If you notice any of these, act quickly. Addressing small concerns early can prevent expensive breakdowns later. Why Routine Car Maintenance Saves You Money Regular maintenance may seem like an extra expense, but it’s far more affordable than major repairs. For example: A routine oil change costs far less than replacing a damaged engine. Keeping tires properly inflated extends their life and improves fuel efficiency. Replacing brake pads is much cheaper than repairing damaged rotors or calipers. By investing a little time and effort into routine checks, you avoid costly breakdowns and ensure your car stays reliable.

Logo
More options Accept all Reject all
This website uses cookies

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services.

Chat with us