Key Fob Replacement and Repair
The key fobs in modern cars perform a lot of work and are subject to a lot of abuse. Often a simple repair or replacement is all it takes to get them working again.
The majority of fobs are made with flat watch-style batteries, which are readily available in auto parts stores. Before calling an expert, try some DIY fixes.
Dead Key Fob Batteries
The battery for the key fob power the remote function of your car and, with push-to start vehicles, permits it to start your engine. As a result, it is crucial to maintain an active, healthy battery. A dead key fob is a major problem when you're in the middle of nowhere. The good news is that a cheap, simple replacement is able to fix the issue quickly.
The most common indication that a key fob battery is depleting is the decrease in signal strength and range. It is also possible to find that the buttons on your fob don't work or require extra effort to be activated.
A new key fob can be found in the auto part section of a major retailer or online. Typically, these batteries are CR2032 and CR2025 and are available in packs of 2 or more. Make key fob repair to consult your owner's manual prior to you purchase the correct battery. Certain cars require a specific size or type of battery that isn't always available at big-box retailers Be sure to know the specifications prior to you buy.
The battery is typically located on the back of the key fob. It is removed using the flat-bladed screwdriver, by opening the case. The battery will look similar to tiny coins, and it will be identified according to its size. Make sure to note the way the plus and minus symbols are positioned to ensure that the battery you are replacing is placed correctly. After the battery has been replaced and the fob is closed, gently snap the two pieces of the fob back together, and test the buttons.
It's important to note that if your key fob continues to cease functioning even after a battery replacement, it could be deprogrammed. In this scenario, you'll need to contact a locksmith for help and it will cost you some more than replacing the key fob battery.
YourMechanic's experienced mechanics can repair your key fob if it's damaged or the battery has died. Be sure to check out all of our services in your region and book an appointment today!
Weak Signals
If your key fob doesn't respond to the buttons of the remote it could be an indication that the signaling is not functioning properly. Your car and key fob depend on radio signals to communicate, so weak or inconsistant signals can result in poor performance and range.
One of the first things to check is whether or not your fob's battery is low since this can greatly affect the sensitivity of your signal. Resetting the settings on the fob could also help restore a more regular response. The procedure varies from vehicle to vehicle, so the owner's manual or call to the help line of the manufacturer is probably the best resource here.
Other factors can cause weak fob signals, such as interference from other devices operating at the same frequency as your key fob. Power lines, other key fobs, wireless communication devices, and even cell networks can interfere with the RF (radio frequency) signals that your key fob uses to connect to the receiver inside your vehicle.
Furthermore physical damage to your key fob can also interfere with the transmission of RF signals which could result in a decrease in performance and range. A blown fuse, broken or cracked buttons, or a bent fob case can interfere with the transmission of signals and cause the remote to not respond.
You can resolve the issue by resetting your fob's settings or by replacing the battery. If your fob has become old and worn, it may be the right time to replace it.
Don't forget to make use of the spare remote that came with your car if your primary remote begins to fail. You should test this option first to determine if you can fix the problem before purchasing another remote. In this case, it might be an appropriate time to consult an auto-locksmith professional. They'll be able to diagnose the problem and suggest the best course of action.
Physical Damage
It's not uncommon for key fobs to encounter issues from time to time. Most of the time, these problems aren't complicated or difficult to fix and can be solved by following a few easy steps. It's a good idea also to keep spare batteries or an additional fob on hand in case your key ceases to work.
A dead battery is the most frequent cause of a car keyfob not working. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They are easily replaced and are available at most pharmacies and stores. Open the fob's case with an screwdriver that is flat and gently pull out the battery you have. Replace the battery, ensuring it's not damaged or loosened. Most fobs require batteries with CR2032 capacity. However, yours may require a different kind.
The fob may also stop responding to buttons after losing its pairing with the car. This could be due to a variety of factors, such as changing the batteries, however it is generally simple to get an auto Locksmith or your local dealership to resolve.
If none of the methods above work, try this trick: disconnect the batteries from the car and fob for a few minutes, then reconnect the two in a reverse order. This could trigger a restart within the system, and in some cases it will solve the issue without having to do any of the other steps.
Keep the fob clear of water or other sources of harm while you're playing around. The fob is quite durable, but it's important to treat it with care if you want it to last as long as you can.
If the above troubleshooting tips do not help, it may be time to replace your key fob. If it's been dropped, trodden on or subjected to other harsh environmental conditions it could be damaged beyond repair and requires an upgrade. If this is the case, you should be sure to search for a deal before making your final choice.
Lost Fob
Even with the best of care keys to cars may fail to function. It's costly to replace yours in the event that you lose it particularly when you don't have an extra. "You may end up paying between $50 and $100 for a replacement and having it programmed by the dealer, plus an electronic backup that could cost another $100," says Mel Yu an automotive analyst at Consumer Reports.
A weak battery is one of the most common causes for a keyfob's device to stop working. If you are familiar with how to replace the battery, or if the owner's manual contains instructions, you can try it yourself. If that doesn't work, you'll have to call an expert.
A locksmith can be capable of helping you locate your lost fob, or get it replaced. They'll also probably have an idea of the reason why your fob was not working in the first place. If your car is old and does not include smart technology, you can still save money by recording the key's number plate from your mechanical backup key. It's usually hidden behind a decorative keychain. If you need to reprogram the key fob of your car, the locksmith can do it more easily.
If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or car dealer. This could cost more than just replacing it. This is because modern key fobs use rolling-code encryption that prevents thieves from gaining access to the car. That means that the locksmith needs to have an exclusive programing tool that only the car manufacturer is equipped with, which adds to the overall cost.
In the majority of cases, the entire service will be charged at one time. This includes all costs for reprogramming a keyfob. This could range from around $20 at some shops to more than $200 at car dealerships, depending on the car.