Key Fob Replacement and Repair
Modern car key fobs are utilized a great deal and are frequently abused. Sometimes, an easy repair or replacement is all that's needed to get them working again.
Most fobs utilize flat-watch-style batteries that are readily available in hardware stores and auto parts retailers. Before calling an expert, try a few DIY fixes.
My Page in your car. It also, in conjunction with push-to-start vehicles, allows it to start your engine. It is therefore essential to maintain a functional and healthy battery. A dead key fob can be an issue for anyone on-the-go. A simple, inexpensive replacement will fix the problem quickly.
The loss of range and signal strength are the most frequent signs that a keyfob battery is failing. You may also notice the buttons on the key fob aren't working or require additional effort.
You can often find an updated key fob battery in the auto parts section of a big box store or on the internet. Typically, they are CR2032 or CR2025 batteries and are available in packs of two or more. Consult your owner's guide before you decide on the best battery. Some cars require a specific size or type of battery, which is not always available at big-box stores. Be sure to check before you buy.
The battery is usually found on the back of the key fob. It can be removed with a flat-bladed screwdriver by removing the case. The battery will look similar to a small coin and be identified according to its size. Be sure to note which way the plus and minus symbols are placed to ensure that the new battery is properly placed. After the battery has been replaced, gently snap the two pieces of the fob back together. Then test the buttons.
It's important to note that in the event that your key fob continues to not function even after a battery replacement, it may have been deprogrammed. In this scenario you'll have to contact locksmiths for assistance which will cost a bit more than replacing the battery of your key fob.
If your fob's battery is failing or you're experiencing other issues with your fob's battery An experienced mechanic like one from YourMechanic can check and repair it to get you back on the road. Schedule an appointment to see all the services we offer in your region.
Weak Signals
If you notice that your key fob isn't responding to the buttons on the remote, it could be a sign of a problem with the signaling. Radio signals are used to communicate between your car and the key fob. Weak or inconsistent radio signals can lead to poor performance and range.
One of the first things you should examine is whether the battery of your fob is depleted since this can greatly affect the sensitivity of the signal. It is also recommended to reset the fob's settings that can help restore the same response from the car. The process will vary from vehicle to vehicle. The owner's guide or a call to the manufacturer's support number is your best resource.
Other factors, including interference from other devices that operate on the same frequency, can also affect weak signals. Power lines, other key fobs, wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
Physical damage to your keyfob can also interfere with the transmission of radio signal, which can result in low performance and a limited range. A blown fuse, broken or cracked button or a bent case of the fob may affect the transmission of signals and cause the remote to function properly.
There are a few simple steps you can take to try and resolve the issue of weak fob signals, such as resetting the fob's settings or replacing the battery. If, however, your fob is worn out, it's time to replace it altogether.
Don't forget to make use of the spare remote that came with your car in the event that your primary remote begins to fail. It's a good idea to try this method to see if it can solve the issue prior to investing in a new one. In this case it could be the right time to call an expert auto-locksmith. They can diagnose the problem and suggest the best solution.
Physical Damage
It's not uncommon for key fobs to encounter issues from time to time. The majority of these problems aren't complicated or severe and can be fixed by following a few easy steps. It's a good idea also to keep spare batteries or a different fob in case your key fails to function.
The most common reason for a car key fob not working is a dead battery. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They are easily replaced and can be found in most pharmacies and stores. The fob's case can be opened using an screwdriver that is flat and gently pull out your existing battery. Replace the battery, ensuring it's not damaged, loose or damaged. Most fobs use CR2032 batteries, however yours may require a different type.
If your device loses its pairing, it can cease to respond to buttons. This could be due to a number of reasons, including changing the batteries, but is typically a simple issue for an auto Locksmith or your local dealership to resolve.
If none of the methods above work, try this trick: unplug the batteries from the car and fob for a few minutes, then reconnect the two in the opposite order. This could trigger a reboot within the system and in some cases this will fix the issue without having to do any of the other steps.
Keep the fob clear of water or other sources of damage while you are trying out new techniques. The fob is quite durable, but it's important to treat it with care in order for it to last as long as you can.
If none of the troubleshooting techniques above are helpful, you may need to replace your key fob. If it's been dropped or tripped on, or subjected to other extreme environmental conditions, it could be damaged beyond repair and requires a replacement. Look around for the most affordable price.
Lost Fob
Even with the best of care keys for cars, they can fail at times. It's expensive to replace yours when it is lost particularly in the event that you don't have an alternative. "You might end up paying $50 - $100 for a new one and having it programmed by a dealer, plus a mechanical backup that will 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 to stop working. If you are familiar with how to replace the battery, or if the owner's guide has instructions, you can try it yourself. If that doesn't work, you'll have to call an expert.
A locksmith can help you to replace or locate the lost key fob. A locksmith will likely know the reason why your fob stopped working in the first in the first place. And if your car is an older model that has no smart technology built-in, you can save some money by finding the key number plate on your current mechanical backup key (it's usually hidden behind a decorative keychain ornament) and recording it in a secure place, such as your wallet or on your phone. This will make it much easier for the locksmith to reprogram the new key fob to your car if you ever need to do it.
If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or dealer. This can cost more than replacing it. The reason is that modern key fobs employ rolling-code encryption that prevents thieves from getting into the car. This means that locksmiths must use a special programing tool that is only available to car manufacturers, which can increase the cost.
In most instances, the entire service will be charged at once. This includes any charges for reprogramming a new keyfob. Depending on the type of vehicle, that can run from around $20 at certain stores to $200 or more at a car dealer.