Key Fob Replacement and Repair
Modern car key fobs are utilized frequently and are often abused. Often an easy repair or replacement is all you need to make them work again.
Most fobs are powered by flat watch-style battery, which is easily found in auto parts and hardware stores. Before you call in an expert, try some DIY fixes.
Dead Key Fob Battery
The battery in the key fob powers the remote function in your car. It also, in conjunction with push-to start vehicles, permits it to start your engine. This is why it is critical to maintain an active, healthy battery. A dead key fob can be an issue when you're in the middle of nowhere. The good news is that a simple, inexpensive replacement is able to fix the issue quickly.

The loss of range and signal strength are the most common indications that a battery on a keyfob is failing. It is also possible to notice that the buttons on your key fob are not working or require more effort.
It is common to find a new key fob battery in the auto parts section of a big box store or on the internet. The majority of these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. However it's best to check your owner's manual before shopping for the correct battery for your device. Some cars require a particular size or kind of battery that's not always available at big-box retailers, so be sure to know the specifications prior to you buy.
car key repair service is typically located at the back of the key fob. It can be removed with a flat-bladed screwdriver by removing the case. It is usually shaped like a small coin and be labeled with the battery size. Be sure to note the orientation of the plus and minus signs so that you can place the new battery properly. After the replacement battery is inserted, gently snap both pieces of the fob in place and test all of the buttons to ensure they work.
If your key fob still isn't working after replacing the battery, it may be deprogrammed. In this situation it is likely that a locksmith will be required to assist. This will cost more than just replacing the battery in the key fob.
Our skilled mechanics at YourMechanic can repair your key fob in the event that it is damaged or if the battery has failed. Schedule an appointment to see the range of services we offer in your local area.
Weak Signals
If your key fob does not respond to the buttons of the remote it could indicate that the signaling isn't functioning properly. Your car and key fob rely on radio signals to communicate, so weak or inconsistant signals can cause poor performance and range.
Checking the battery level of your fob is a good idea, as it can have a significant impact on the sensitivity of your signal. Resetting the settings of the fob can aid in restoring a more consistent response. The procedure differs from vehicle to vehicle, so the owner's manual or call to the helpline of the manufacturer is probably the best source of information here.
Other factors, including interference from other devices that operate on the same frequency, can also affect weak signals. Power lines as well as other key fobs, wireless communication devices, and even cell networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver in your vehicle.
Damage to your keyfob's physical structure can also affect the transmission of RF signal, which can result in lower performance and less range. A blown fuse, broken or cracked button or a bent case on the fob may all affect the signal transmission and cause the remote to function properly.
There are a few easy steps you can try to and resolve the issue of weak signals from your fob, for example, resetting the fob's settings or changing the battery. If your fob has become old and worn out, it might be time to replace it.
Don't forget to utilize the spare remote that came with your car in the event that your primary remote begins to fail. It's worth trying this solution to see if it can solve the issue prior to investing in the new one. If not, it might be the best time to consult an experienced auto locksmith. They can identify the problem and recommend the best way to proceed.
Physical Damage
It's not uncommon for key fobs to experience problems from time to time. Most of these issues aren't complex or difficult to fix and can be solved by following a few easy steps. It's also a good idea to keep spare batteries or a different fob on hand in case your key ever ceases to work.
The most frequent reason for the car key fob not working is a dead battery. These tiny devices are powered by lithium-ion buttons or coin cell batteries. These batteries are easily replaceable and can be found at most pharmacies and grocery stores. Open the fob's case with a screwdriver with a flat head and gently pull out the battery you have. Check to see if it's loose or damaged and then put in the new battery. Most fobs utilize CR2032 batteries, however yours may require an alternative kind.
If your device loses its pairing, it may also stop responding to buttons. This can be caused by many factors including changing the batteries. However an auto Locksmith or local dealership will usually be able to fix it.
If none of the solutions above work, try this method: disconnect the battery from the car and the fob for a few minutes, then reconnect the two in reverse order. This could cause the system to reboot, and in some instances it will resolve the issue without additional steps.
While you're testing the fob, make sure to keep it out of water and other dangers. Fobs can be quite robust, but it's crucial to take care with it when you want it to last as long as possible.
If none of the troubleshooting techniques above help you, you may have to replace your key fob. If it's been dropped, trodden on or subjected to other extreme environmental conditions, it could be damaged beyond repair and in need of a replacement. Find the most competitive price.
Lost Fob
Even with the best care it's a fact of life that car key fobs may sometimes fail to function. It's costly to replace yours in the event that you lose it and especially when you don't have an alternative. "You may end up spending $50 or more to purchase a new replacement from a dealer and get it programmed, as well as a new mechanical backup which could cost you at least another $100," says Mel Yu, an automotive analyst with Consumer Reports.
One of the most common reasons for a key fob's device to not function is a simple issue, such as a weak battery. If you are familiar with how to replace the battery, or if your owner's manual contains instructions, try it yourself. If this doesn't resolve the issue, it's time to get help from an expert.
A locksmith can help you to find or replace your lost key fob. They will also likely have a good idea of the reason why your fob was not working in the first instance. If your car is older and does not include smart technology however, you can save money by recording the key's number plate of your mechanical backup key. It's usually hidden behind a keychain with an ornamental design. If you're in need of reprogramming the key fob of your car, the locksmith can do it much more quickly.
If your key fob is an older smart key, it'll need to be deprogrammed by a locksmith or car dealer. This can cost more than replacing it. Modern key fobs are protected by encryption using rolling-codes that prevents thieves from gaining access to the car. And that means the locksmith must have an exclusive programming tool that only the vehicle manufacturer has, which adds to the overall cost.
In the majority of instances, you'll have to pay for the entire service at once, which includes the cost of programming the new key fob. Depending on the vehicle it could cost anywhere from a mere $20 at some shops to $200 or more at a car dealer.