Key Fob Replacement and Repair
Modern car key fobs are used frequently and are frequently abused. Many times just a simple repair or replacement is all it takes to get them back in good working in good condition.
Most fobs use flat watch-style batteries, which are readily available in auto parts retailers. Before you call in a professional, you can do some of the DIY fixes.
Dead Key Fob Batteries
The battery in the key fob powers the remote function in your car and, with push-to start vehicles, permits it to start your engine. As a result, it is critical to maintain an efficient, functioning 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 most obvious indication that a battery on a key fob is failing is the decrease in signal strength and range. You may also find that the buttons on your fob do not work or require additional effort to be activated.
You can often find an updated key fob battery in the auto parts section of a large box store or on the internet. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. Make sure to consult your owner's manual prior to you decide on the best battery. Certain cars require a certain size or type that isn't always available at big-box stores. Make sure to verify before purchasing.
The battery is typically located in the back of the key fob. It can be removed using a flat-bladed screwdriver by opening the case. It is likely to look like a small coin and be marked with the battery's size. Be sure to note which direction the plus and minus symbols are placed to ensure that the battery you are replacing is positioned correctly. Once the battery replacement is placed in the fob, gently snap both pieces of the fob together. Then test each button to ensure that they work.
It's worth noting that if your key fob continues to not function even after battery replacement, it might be deprogrammed. In this case, a locksmith will be required to assist you. This will cost more than replacing the key fob's battery.
If the battery in your fob is dying or you're having other issues with your fob's key, an experienced mechanic like one from YourMechanic can check and repair it to get you back on the road. Make sure to look over all of our services in your area and make an appointment now!
Weak Signals
If you notice that your key fob isn't responding to the buttons on the remote, this could be an indication of a problem with the signaling. Your car and key fob are dependent on radio signals to communicate, and weak or inconsistent signals could cause poor range and performance.
One of the first things you should examine is whether your fob's battery is low because this could significantly affect the sensitivity of the signal. It is also recommended to reset the fob's settings that can help restore an even and consistent response from the car. The process will vary from vehicle to vehicle. Your owner's guide or a call to your manufacturer's support number is your best source of information.
Other factors, such as interference from other devices operating at the same frequency can also cause 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 utilizes to connect to the receiver in your vehicle.
Additionally, physical damage to your key fob may hinder the transmission of RF signals which could result in a decrease in performance and range. A damaged or blown fuse, a broken or cracked buttons or a bent case can affect the transmission of signals and cause the remote to fail to respond.
You can fix the problem by resetting the fob's settings, or by replacing the battery. However, if your fob is worn out, it's time to replace it altogether.
Don't forget to use the spare remote that came with your car in the event that your primary remote starts to fail. It's worth trying this option to determine if it resolves the issue before you invest in an entirely new one. If not, this might be the right time to consult a professional auto locksmith. They can determine the cause and recommend the best solution.
Physical Damage
Key fobs can be troublesome from time to time. Fortunately, most of these issues aren't difficult or complicated and can be solved with a few easy steps. It's also a good idea to keep spare batteries or an additional fob on hand in the event that your key fails to function.
The most common reason for a car key fob not working is the battery is dead. These tiny devices are powered by lithium-ion buttons or coin cell batteries. They are easily replaced and can be found at most pharmacies and grocery stores. You can remove your fob's shell with an screwdriver that has a flat-head and gently remove the existing battery. Make sure it's not damaged or loose, and then put in a new battery. Most fobs utilize CR2032 batteries, however yours may require a different kind.
If your device loses pairing, it may also stop responding to buttons. This could be due to a number of reasons, including changing the batteries, but it is generally simple for an auto Locksmith or your local dealer to fix.
Try this trick to solve your fob issue in the event that none of the above methods work: remove the battery from both the fob and the car for about ten minutes, and then reconnect them in the opposite order. key fob repair could cause the system to reboot, and in some cases it can fix the issue without additional steps.
When you're playing around with the fob, make sure to keep it away from water and other potential dangers. The fob is quite sturdy, but you need to take care with it when you want it to last as long as it can.
If none of the troubleshooting techniques above work you, it may be necessary to replace your key fob. If yours has been dropped, trodden on or subjected to other extreme environmental conditions, it could be beyond repair and requires an upgrade. Find the most competitive price.
Lost Fob
Even with the best care, car key fobs will occasionally stop working. If you lose yours it could be very expensive to replace it--especially in the event that you don't have spare. "You may end up spending $50 or more to purchase an equivalent replacement from a dealer and get it programmed, plus a new mechanical backup, which will cost at least another $100," says Mel Yu an automotive analyst with Consumer Reports.
A weak battery is one of the most common reasons for a keyfob's device to stop working. Try changing the battery yourself if you know how or refer to your owner's manual. If that doesn't work, you'll need to call an expert.
A locksmith can help you to find or replace your lost key fob. A locksmith can probably tell you the reason why your fob stopped working in the first in the first place. And if your car is an older model with no smart technology built-in it is possible to save cash by locating the key number plate on your current mechanical backup key (it's typically hidden behind a keychain ornament with a decorative design) and storing it in a secure location, such as your wallet or on your phone. This can make it easier for the locksmith to reprogram a new key fob to your car should you require it.
If your key fob is an old smart key, it'll need to be deprogrammed by a locksmith or car dealer. This could 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. That means that the locksmith needs to have an exclusive programming tool that only the car manufacturer is equipped with, which adds to the overall expense.
In most cases, the entire process will be charged one time. This includes any charges for reprogramming a new keyfob. This could range from around $20 at some shops to more than $200 at car dealerships, based on the car.