Key Fob Replacement and Repair
The key fobs in modern cars do a lot of work and are subject to an awful amount of abuse. Often a simple repair or replacement is all that's needed to make them functional again.
The majority of fobs are powered by a flat watch-style battery, which can be found in hardware and auto parts stores. Before you call in an expert, try a few DIY fixes.
Dead Key Fob Battery
The battery of the key fob powers your remote in your car and in push-to start cars, it can start your engine. Therefore, it is essential to keep an active, healthy battery. When you're out and about, a dead key fob can cause a lot of trouble. A simple, affordable replacement can fix the issue quickly.
The most obvious sign that a battery on a key fob is depleting is the loss of signal strength and range. It is also possible to find that the buttons on your fob do not function or require any effort to activate.
A new key fob can be found in the auto part section of a large retailer or on the internet. Typically, they are CR2032 or CR2025 batteries that are available in packs of two or more. Make sure to consult your owner's manual prior to you decide on the best battery. Certain vehicles require a certain size or kind of battery that's not always readily available at big-box retailers So, make sure you be aware of the correct specifications before you buy.
The battery is typically located on the back of the key fob. It is removed using a flat-bladed screwdriver by prying the case open. mobile car key repair near me will look like an ordinary coin, and it will be labeled according to its size. Be sure to note down the orientation of the plus and minus signs to ensure that you insert the battery correctly. After the replacement battery has been placed in the fob, gently snap both pieces of the fob together. Then test all of the buttons to make sure they function.

If your key fob doesn't work after replacing the battery, it may have been deprogrammed. In this case you will require a locksmith required to assist. This will cost more than replacing the battery in the key fob.
If the battery in your fob is failing or you're experiencing 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. Make an appointment to look over all the services we provide in your area.
Weak Signals
If your key fob does not respond to the buttons of the remote, it could be a sign that the signaling system is not working correctly. Radio signals are used to communicate between your car and key fob. Weak or inconsistent radio signals can lead to poor performance and range.
Examining the battery level of your fob is a good idea, as it can have a significant impact on signal sensitivity. It is also recommended to reset the settings on your fob and help get the same response from the car. The procedure will differ from vehicle to vehicle. The owner's guide or a phone call to your manufacturer's support number is your best guide.
Other factors, such as interference from other devices that operate on the same frequency can also contribute to weak signals. Power lines and other key fobs wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver inside your vehicle.
Additionally physical damage to your key fob may also interfere with the transmission of signals RF, which could result in a decrease in range and performance. A blown fuses, a damaged or cracked button, or a bent case on the fob may affect the transmission of signals and cause the remote to respond.
There are some simple steps you can take to try and resolve the issue of weak fob signals, for example, resetting the fob's settings or changing the battery. However, if your fob is damaged, it's time to replace it altogether.
Also, don't forget if you have an extra key fob that is part of your vehicle, it can be used in place of the primary remote if it begins to fail. It's a good idea to try this method to see if it can solve the issue before you invest in the new one. If not, it might be the perfect time to contact an experienced auto locksmith. They'll be able to determine the cause and recommend the best solution.
Physical Damage
Key fobs may have issues at times. Luckily, the majority of these issues aren't difficult or complicated and can be solved with some simple steps. It's also a good idea to keep spare batteries or an additional fob on hand in the event that your key ceases to work.
The most common reason for the car key fob not working is an inactive battery. These small devices rely on tiny lithium-ion coin or button cell batteries to function. They can be replaced easily and are available in most pharmacies, grocery stores, and other places that sell electronic products. Open the fob's case with a flat-headed screwdriver, and gently pry out your existing battery. Check to see if it's loose or damaged and then put in a new battery. Most fobs require CR2032 batteries. However, yours may need a different type.
Your fob could also stop responding to the buttons when it loses its connection with your vehicle. This can be caused by many factors including changing the batteries. However it is possible to fix the issue with an auto Locksmith or a local dealership can usually repair the issue.
If none of the strategies above work, you can try this trick: unplug the batteries from the car and the fob for a few minutes and then reconnect them in a reverse order. This can force the system to reboot, and in some cases it will resolve the issue without further steps.
While you're experimenting with the fob, be sure to keep it out of water and other potential damage sources. The fob is tough but you need to take care with it to ensure it lasts as long as it can.
If none of the troubleshooting steps above work you, you may have to replace your key fob. If it's been dropped, trodden on or subjected to other harsh environmental conditions it may be beyond repair and may require a replacement. Find the best deal.
Lost Fob
Even with the best care, car key fobs will occasionally stop working. If yours is lost, it can be extremely expensive to replace it, especially in the event that you don't have spare. "You may end up spending $50 or more for an alternative from the dealer and have it programmed, plus an additional mechanical backup which will cost at least another $100," says Mel Yu, an automotive analyst with Consumer Reports.
One of the most common reasons for a key fob to not function is a simple issue, like an insufficient battery. If you are aware of how to replace the battery, or if your owner's guide has instructions, try it yourself. If that doesn't work, you'll have to call an expert.
A locksmith can help to replace or locate the lost key fob. A locksmith will likely know the reason why your fob stopped working in the first place. If your car is old and does not have smart technology built in however, you can save money by recording the key's number plate of your mechanical backup key. It's usually hidden behind an ornamental keychain. This can make it easier for the locksmith to reprogram the new key fob to your car should you need to do it.
If your key fob is an older smart key, it'll need to be deprogrammed by a locksmith or a car dealer. This could cost more than just replacing it. Modern key fobs are secured by rolling-code encryption, which prevents thieves from gaining access to your car. This means that the locksmith has to have a special programing tool that is available only to car manufacturers, which can increase the cost.
In most cases, the whole service will be charged at the same time. This includes any charges for reprogramming a new keyfob. Depending on the vehicle, that can run from around $20 at certain stores to $200 or more at a dealership for cars.