Key Fob Replacement and Repair
Modern car key fobs are utilized frequently and are frequently abused. Sometimes just a simple replacement or repair is all it takes to bring them back into working in good condition.
Most fobs are powered by flat watch-style battery, which can be found in auto parts and hardware stores. But before you call a professional, try a few DIY solutions!
Dead Key Fob Battery
The key fob's battery powers your remote in your car and, in push-to-start vehicles it will start your engine. It is therefore important to maintain a working and healthy battery. A dead key fob can be an issue for anyone on-the-go. The good news is that a simple, inexpensive replacement can be made to fix it in a short time.
The loss of range and signal strength are the most common indications that a battery on a keyfob is dying. It is also possible to be noticing that the buttons on your fob don't function or require any effort to be activated.
It is common to find an updated key fob battery in the auto parts section of a big box store or on the internet. Typically, they're CR2032 or CR2025 batteries that 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 that isn't always readily available at big-box stores. Be sure to check before you buy.
The battery is usually found in the back of the key fob. It is removed using an abrasive screwdriver with a flat blade by opening the case. The battery will look similar to an ordinary coin and will be labeled based on its size. Be sure to note the orientation of the plus and minus symbols so that you can put the new battery in the correct place. 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 when your key fob is unable to not function even after a battery replacement, it may be deprogrammed. In this scenario you'll have to contact an expert locksmith, which will cost some more than replacing the key fob battery.
If car key repair cost in your fob is dying or you're having other issues with your fob's key an experienced mechanic such as one from YourMechanic can examine and fix it to get you back on the road. Set up an appointment to review all the services we provide in your region.
Weak Signals
If your key fob isn't able to respond to the buttons on the remote, it could indicate that the signaling is not functioning properly. Your car and key fob are dependent on radio signals to communicate, therefore weak or inconsistent signals could result in poor range and performance.
One of the first things you should determine is if the battery of your fob is depleted because this could significantly affect the sensitivity of your signal. It is also recommended to reset the settings of your fob and help get a more consistent response from the car. The procedure may differ from vehicle to vehicle. The owner's manual or a call to your manufacturer's support line is your best source of information.
Other factors can cause weak fob signals, including interference from other devices operating at the same frequency as your key fob. Other key fobs and wireless communication devices can interfere with the RF (radio-frequency) signals that your key fob sends to connect to the vehicle's receiver.

The physical damage to your keyfob can affect the transmission of an RF signal, resulting in lower performance and less range. A blown fuse, broken or cracked button or bent fob case could interfere with the transmission of signals and cause the remote to not respond.
There are some simple steps you can follow to try and fix the problem of weak signals from your fob, such as resetting the fob's settings or changing the battery. If, however, your fob is old and worn out, it's probably time to replace it completely.
Don't forget to utilize the spare remote that came with your car if your primary remote begins to fail. You should try this solution first to determine if you can fix the problem before buying a new remote. If not, it might be the perfect time to contact an experienced auto locksmith. They will be able to identify the problem and recommend the best way to proceed.
Physical Damage
Key fobs may have issues at times. Fortunately, most of these problems are not serious or complex and can be fixed by following a few simple steps. It's a good idea also to keep spare batteries or an additional fob in the event that your key stops working.
A dead battery is the main reason for a car keyfob not working. These tiny devices rely on tiny lithium-ion coin or button cell batteries to function. They are easily replaced and can be found at most pharmacies and grocery stores. You can remove your fob's shell with a flat head screwdriver and gently pull out the existing battery. Replace the battery, making sure it's not damaged or loose. Most fobs use CR2032 batteries, but yours might require a different kind.
When your fob loses its pairing, it may also stop responding to buttons. This could be due to a variety of factors like changing the batteries. However it is possible to fix the issue with an auto Locksmith or a local dealership can usually solve the issue.
You can try this method to solve your fob issue if none of the above methods work: disconnect the battery from both the fob and the car for around ten minutes, then reconnect them in the opposite order. This could cause the system to restart and in some instances it will resolve the issue without any other steps.
Keep the fob out of water or other sources of damage while you are experimenting. The fob is quite sturdy, but you need to take care with it if you want it to last as long as possible.
If none of the troubleshooting procedures above work, you may need to replace your key fob. If it's been dropped or tripped on, or subjected to other harsh environmental conditions it could be damaged beyond repair and may require an upgrade. Find the best deal.
Lost Fob
Even with the best care keys for cars, they can fail at times. It can be expensive to replace yours if you lose it particularly in the event that you don't have an alternative. "You may end up paying between $50 and $100 for a new one and having it programmed by a dealer, as well as mechanical backups that could cost you another $100," says Mel Yu an automotive analyst at Consumer Reports.
A weak battery is among the most common reasons for a keyfob's stop working. If you are familiar with how to change the battery, or if your owner's manual contains instructions, you can try it yourself. If that doesn't work, you'll need to call an expert.
A locksmith can help you to find or replace the lost key fob. A locksmith can probably tell you the reason your fob stopped working in the first place. If your car is old and does not include smart technology however, you can save money by recording the key's number plate on your mechanical backup key. It's usually hidden behind an ornamental keychain. If you need to reprogram the key fob in your car, the locksmith can perform the task more easily.
If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or car dealer. This can cost more than just replacing it. Modern key fobs are secured by encryption using rolling-codes which stops thieves from getting access to your car. This means that the locksmith must use a special programming tool that is only available to car manufacturers, which increases the cost.
In most instances, the entire service will be charged at one time. This includes any charges to reprogramme a new keyfob. This can range from $20 at some shops to more than $200 at dealerships for cars, based on the car.