Key Fob Replacement and Repair
The key fobs in modern cars perform a lot of work and are subject to an awful amount of abuse. Often a simple repair or replacement is all it takes to get them working again.
key fob repair of fobs are powered by a flat watch-style battery, which can be found in hardware and auto parts stores. However, before calling a professional, try a few DIY solutions!
Dead Key Fob Battery
The key fob's battery powers your remote in your car, and in push-to-start cars, it can start your engine. This is why it is critical to maintain a healthy, working battery. When you're on the move, a dead key fob could be a major issue. A simple, affordable replacement can fix the issue quickly.
The most frequent sign that a key fob battery is depleting is the loss of signal strength and range. You may also find that the buttons on the fob don't work or require additional effort to be activated.
You will often find the latest key fob batteries in the auto parts section of a large box retailer or online. They are typically CR2032 and CR2025 and are available in packs of 2 or more. However it's a good idea to consult your owner's manual before shopping for the right battery for your device. Certain vehicles require a certain size or type of battery that isn't always in stock at big-box stores So, make sure you be aware of the correct specifications before you purchase.
Typically the battery is situated on the back of your key fob. It can be removed by prying the case open with a flat-blade screwdriver. The battery will appear like a small coin, and it will be labeled according to its size. Be sure to note which way the plus and minus symbols are oriented to ensure that the new battery is positioned correctly. After the battery has been replaced then gently snap the two pieces of the fob back together and test the buttons.
It's important to note that when your key fob is unable to cease functioning even after a battery replacement, it might be deprogrammed. In this situation you will require a locksmith required to assist. This will cost more than just 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 battery, an experienced mechanic like one from YourMechanic can examine and fix it to get you back on the road. Make sure you check out all of our services in your region and book an appointment today!
Weak Signals
If your key fob isn't able to respond to the buttons on the remote it could indicate that the signaling is not working properly. Your car and key fob are dependent on radio signals to communicate, therefore weak or inconsistent signals could result in poor performance and range.
Examining the battery level of your fob is a good idea since it can significantly affect the sensitivity of your signal. It is also recommended to reset the fob's settings, which can help to bring back an even and consistent response from the car. The procedure differs from vehicle to vehicle, so the owner's manual or call to the manufacturer's help line will likely be your best guide here.
Other factors, such as interference from other devices operating on the same frequency can also cause weak signals. Other key fobs and wireless communication devices can interfere with the signal RF (radio-frequency) signals that your key fob sends to connect to the receiver of your vehicle.
The physical damage to your keyfob can affect the transmission of RF signal, resulting in lower performance and less range. A blown fuse, damaged or cracked button, or a bent case on the fob can affect the transmission of signals and cause the remote to not to respond.
You can solve the issue by resetting the settings on your fob, or by replacing the battery. If your fob has become old and worn out, it might be the right time to replace it.
Don't forget to use the spare remote that was included with your vehicle if your primary remote begins to fail. You should try this solution first to determine if you can solve the issue prior to purchasing another remote. In this instance, it might be time to call an auto-locksmith professional. They'll be able to diagnose the problem and suggest the most effective solution.
Physical Damage
It's not common for key fobs to encounter problems from time to time. Most of the time, these issues are not complex or serious and can be resolved with a few simple steps. It's important to have spare batteries or an additional fob in case one of your keys ever stops working.
A dead battery is the main reason for a car keyfob not working. These small devices rely on tiny lithium-ion coin or button cell batteries to function. They can be replaced easily and can be found at most pharmacies, grocery stores and shops that sell electronics. The fob's case can be opened using an screwdriver that is flat, and gently pry out the battery you have. Ensure that it is not loose or damaged and then simply pop in a new battery. Most fobs require CR2032 batteries. However, yours may require a different type.
When your fob loses its pairing, it could stop responding to buttons. This could be due to a number of factors, including changing the batteries, but is usually easy to get an auto Locksmith or your local dealership to resolve.
If none of the strategies above work, you can try this trick: disconnect the battery from the car and the fob for a few minutes, then reconnect the two in the opposite order. This can force a restart within the system and, in some instances this will fix the problem without doing any of the other steps.
Keep the fob away from water or other sources of damage while you are trying out new techniques. The fob is a durable device but you need to take care with it to make it last for as long as you can.
If none of the troubleshooting procedures above are helpful you, you may have to replace your key fob. If yours has been dropped or tripped over, or exposed to other extreme environmental conditions, it may be beyond repair and requires a replacement. If that's the case, you should be sure to look around for a deal prior to making your final decision.
Lost Fob
Even with the best care, car key fobs can fail at times. It's costly to replace yours when it is lost, especially when you don't have an extra. "You could end up paying between $50 and $100 for a new one and getting it programmed by the dealer, as well as mechanical backups that could cost you another $100," says Mel Yu an automotive analyst at Consumer Reports.
A weak battery is one of the most common reasons for a keyfob's stop working. If you are familiar with how to replace the battery, or if your owner's manual contains instructions, try it yourself. If that doesn't work you'll have to call an expert.
A locksmith can assist you replace or find the lost key fob. They'll also probably have a good idea of why your fob stopped working in the first place. And if your car is an older model with no smart technology built-in, you can save some money by finding the key number plate on your existing mechanical backup key (it's usually hidden behind a decorative keychain) and recording it in a secure place, such as your wallet or on your phone. This will make it easier for a locksmith to reprogram the new key fob for your car if you ever require it.
If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or dealer. This could cost more than just replacing it. Modern key fobs are protected by encryption using rolling-codes that prevents thieves from gaining access to your car. This means that the locksmith must have a special programing tool that is available only to the car manufacturer, which increases the cost.

In the majority of cases, the entire service will be billed at one time. This includes any costs to reprogramme a new keyfob. Based on the car the cost can range from $20 at some stores to $200 or more at a car dealer.