Key Fob Replacement and Repair
The key fobs found in modern cars are very efficient and are subject to lots of abuse. In many cases just a simple repair or replacement is all it takes to restore them to working good working order.

Most fobs utilize flat watch-style batteries, which are readily available in auto parts retailers. Before you call in a professional, do a few DIY fixes.
Dead Key Fob Batteries
The battery of the key fob powers your car's remote, and in push-to-start cars, it can start your engine. It is therefore essential to maintain a working, healthy battery. A dead key fob can be a major problem when you're traveling. The good news is that a simple, inexpensive replacement is able to fix the issue quickly.
The loss of range and signal strength are among the most common indicators that a battery in a keyfob is dying. You may also notice the buttons on your key fob aren't working or require extra effort.
You can often find an updated key fob battery in the auto parts section of a big box retailer or online. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. However it's a good idea to read the owner's manual before you shop for the correct battery for your fob. Certain cars require a certain size or type of battery, which isn't always available at big-box stores. Be sure to check before purchasing.
Typically, the battery is located on the back of your key fob. It can be removed by prying the case open using an abrasive screwdriver with a flat blade. The battery will look similar to tiny coins and will be labeled according to its size. Be sure to note down the orientation of the plus and minus marks to ensure that you 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 worth noting that in the event that your key fob continues to not function even after a battery replacement, it could have been deprogrammed. In this instance it is likely that a locksmith will be required to assist. This will cost more than replacing the battery in the key fob.
Whether your fob battery is failing or you're experiencing other issues with your key fob an experienced mechanic such as one from YourMechanic can check and repair it to get you back on the road. Make sure you check out the range of services we offer in your area and make an appointment now!
Weak Signals
If you find that your key fob isn't responding to buttons on the remote, this can be a sign of a problem with signaling. Radio signals are used to transmit information between your car and the key fob. Inconsistent or weak radio signals can lead to low performance and limited range.
The battery level of your fob is a good idea, as it can significantly affect the sensitivity of the signal. Resetting the settings on the fob can also aid in restoring a constant response. The procedure differs from vehicle to vehicle, so your owner's manual or call to the helpline of the manufacturer will likely be your best source of information here.
Other factors, including interference from other devices that operate on the same frequency, can also contribute to weak signals. Other key fobs as well as wireless communication devices may interfere with the radio frequency (radio-frequency) signals your key fob transmits to connect to the receiver of your vehicle.
Furthermore, physical damage to your key fob may affect the transmission of RF signals which may result in poor performance and range. A blown fuse, broken or cracked buttons or bent fob case can all affect the transmission of signals and cause the remote to fail to respond.
There are some simple steps you can try to and resolve the issue of weak fob signals, such as resetting the fob's settings or replacing the battery. However, if your fob is old and damaged, it's the time to replace it all over again.
Don't forget to use the spare remote that was included with your vehicle if your primary remote starts to fail. It's worth trying this option to see if it can solve the issue before you invest in a new one. In this case, it might be time to call an expert auto-locksmith. They will be able to diagnose the problem and recommend the best method of action.
Physical Damage
Key fobs can have problems occasionally. Most of the time, these issues are not complex or severe and can be fixed by following a few easy steps. It's also a good idea to keep spare batteries or another fob in the event that your key stops working.
The most common reason for the car key fob not working is a dead battery. These small devices rely on tiny lithium-ion button or coin batteries to function. They are easily replaced and can be purchased at most pharmacies and stores. You can open the case of the fob using a screwdriver with a flat head and gently pull out the battery that you have. Replace the battery, making sure it's not damaged or loose. Most fobs require batteries that are CR2032. However, yours might require a different type.
Your fob might also stop responding to buttons if it loses its connection to the vehicle. This can happen due to a variety of factors, including changing the batteries, but is typically a simple issue for an auto Locksmith or your local dealership to fix.
You can try this method to fix your fob in the event that none of the above methods work: disconnect the battery from both the fob and the car for about 10 minutes, then reconnect them in the opposite order. This could cause the system to restart, and in some cases, this will fix the issue without any other steps.
Keep the fob clear of water or other sources of harm while you're experimenting. car remote key repair can be pretty sturdy, but you need to treat it with care if you want it to last as long as it can.
If none of the troubleshooting procedures above work you, it may be necessary to replace your key fob. If yours has been dropped, trodden on or subjected to other harsh environmental conditions it could be beyond repair and may require an upgrade. Shop around to find the best deal.
Lost Fob
Even with the best of care, car key fobs may fail to function. It's expensive to replace yours in the event that you lose it and especially when you don't have an extra. "You may end up spending $50 or more to purchase an equivalent replacement from the dealer and have it programmed, as well as a new mechanical backup which could cost you at least another $100," says Mel Yu who is an automotive analyst at Consumer Reports.
One of the most common reasons for a key fob's device to stop working is a simple issue, such as a weak battery. If you know how to change the battery, or if the owner's manual has instructions, try it yourself. If this doesn't work, you'll need to contact an expert.
A locksmith can be in a position to assist you in finding your lost fob, or get it replaced. A locksmith will probably know the reason your fob stopped working in the first place. If your car is old and doesn't include smart technology it is still possible to save money by recording the key's number plate on your mechanical backup key. It's typically hidden behind an ornamental keychain. This will make it easier for the locksmith to reprogram the new key fob to your car in the event that you require it.
If your key fob is an old smart key, it will need to be deprogrammed by a locksmith or a car dealer. This can cost more than simply replacing it. That's because modern key fobs utilize rolling-code encryption to stop thieves from accessing the car. This means that the locksmith must use a special software program which is only available to the car manufacturer, which increases the cost.
In most instances, you'll have to pay for the entire service at once, which includes the cost of programming the new key fob. This can range from $20 at some shops to more than $200 at dealerships for cars, based on the car.