Its History Of Fob Key Repair Key Fob Replacement and Repair

Modern car key fobs are utilized often and are often misused. Many times just a simple repair or replacement is all that's required to bring them back into good working good working order.

Most fobs are powered by flat watch-style batteries, which is easily found in auto parts and hardware stores. Before calling an expert, try some of the DIY fixes.

Dead Key Fob Battery

The battery in the key fob powers the remote function in your car. It also, with push-to-start vehicles, allows it to start your engine. Therefore, it is crucial to maintain an efficient, functioning battery. A dead key fob can be an issue when you're on-the-go. The good news is that a simple, affordable replacement can fix it quickly.

The most obvious sign that a key fob battery is failing is the loss of signal strength and range. It is also possible to notice that the buttons on your key fob aren't working or require additional effort.

It is common to find the latest key fob batteries in the auto parts section of a large box store or on the internet. They are typically CR2032 or CR2025 batteries that are sold in packs of two or more. Make sure to consult your owner's manual prior to you decide on the best battery. Some cars require a specific size or type that is not always available at big-box stores. Make sure to verify before you buy.

Typically the battery is placed in the back of your key fob. It can be removed by prying open the case with the flat-blade screwdriver. The battery will appear like tiny coins and will be labeled based on its size. Make key fob repairs near me to note the orientation of the plus and minus signs in order to insert the battery correctly. 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 isn't working after replacing the battery, it could be deprogrammed. In this scenario you'll need to call an expert locksmith, which will cost a little more than simply replacing the battery in your key fob.

YourMechanic's experienced mechanics can repair your key fob in the event that it is damaged or if the battery has failed. Schedule an appointment to see all the services we offer in your area.

Weak Signals

If your key fob doesn't respond to the buttons of the remote it could be a sign that the signaling is not working correctly. Radio signals are used to transmit information between your car and key fob. Weak or inconsistent radio signals can lead to poor performance and range.

The battery level of your fob is a good idea as it can significantly affect signal sensitivity. It's also worth resetting the settings on your fob and help get a more consistent response from the car. The procedure differs from vehicle to vehicle, so the owner's manual or a phone call to the manufacturer's help line is likely to be the best source of information here.

Other factors, such as interference from other devices that operate at the same frequency can also contribute to weak signals. Power lines as well as other key fobs, wireless communication devices, and even cell networks can interfere with the RF (radio frequency) signals that your key fob uses to connect to the receiver inside your vehicle.

Furthermore physical damage to your key fob can affect the transmission of RF signals which can result in poor performance and 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 not to respond.

You can attempt to resolve the issue by resetting the settings on your fob or by replacing the battery. If your fob has become old and worn, it could be the right time to replace it.

Lastly, don't forget that if you have an extra key fob that is included with your vehicle, this can be used as a replacement for the primary remote in the event that it begins to fail. It's worth trying this option to see if it can solve the issue prior to investing in a new one. If not, it could be the perfect time to contact an expert auto locksmith. They can diagnose the problem and suggest the best solution.

Physical Damage

It's not uncommon for key fobs to have issues from time-to-time. Most of the time, these issues are not complex or severe and can be fixed with a few simple steps. It's a good idea also to keep spare batteries or a different fob on hand in case your key ceases to work.

The most common reason for car keys not working is a dead battery. These tiny devices are powered by lithium-ion button or coin cell batteries. They can be replaced easily and can be found at most pharmacies, grocery stores, and other places which sell electronic items. You can remove your fob's case using an screwdriver that has a flat-head and gently pry out the battery. Replace the battery, ensuring it's not damaged, loose or damaged. The majority of fobs use CR2032 batteries, however yours may require an alternative kind.

The fob may not be responding to buttons when it loses its pairing with the car. This can be caused by a variety of factors including changing the batteries. However an auto Locksmith or local dealership will usually be able to fix it.

If none of the strategies above work, try this trick: disconnect the batteries from the car and the fob for a few minutes, then reconnect the two in a reverse order. This may cause the system to restart, and in certain cases, this will fix the issue without further steps.

While you're experimenting with the fob, ensure to keep it out of water and other dangers. Fobs can be quite durable, but it's important to treat it with care when you want it to last as long as you can.


If none of the troubleshooting procedures above are helpful, you may need to replace your key fob. If it's been thrown or trampled upon, or exposed to harsh environmental conditions, it could not be repairable and will need a replacement. Shop around to find the most affordable price.

Lost Fob

Even with the best care it's a fact of the road that car key fobs will sometimes stop working. It's costly to replace yours when it is lost particularly in the event that you don't have an alternative. "You may end up spending $50 or more for an alternative from the dealer and have it programmed, as well as an additional mechanical backup which could cost you at least another $100," says Mel Yu, an automotive analyst with Consumer Reports.

A weak battery is one of the most frequent reasons for a keyfob's stop working. You can try replacing the battery yourself If you are familiar with the procedure or refer to the owner's manual. If this doesn't work, you'll have to call an expert.

A locksmith can be in a position to assist you in finding your lost fob, or get it replaced. They'll also probably have a good idea of why your fob stopped working in the first instance. If your car is old and does not come with smart technology however, you can save money by recording the number plate from your mechanical backup key. It's usually hidden behind a keychain with an ornamental design. This can make it easier for the locksmith to reprogram the new key fob for your car in the event that you need to do so.

If the key fob you have is a smart key of the present and you want to change it, you'll need to go to an auto dealer or locksmith to deprogram it and get an entirely new one and this can be more expensive than simply replacing it. Modern key fobs are protected by rolling-code encryption that prevents thieves from getting access to your car. This means that the locksmith must be equipped with a specific software program which is only available to the car manufacturer, which increases the cost.

In most instances, you'll need to pay for the entire service at once, which includes the cost of programming a new key fob. It can cost anywhere from $20 at some shops to more than $200 at car dealerships, based on the vehicle.