Key Fob Replacement and Repair
Modern car key fobs are used often and are often abused. Sometimes, a simple repair or replacement is all that's needed to get them working again.
Most fobs utilize flat watch-style batteries, which are readily available in hardware stores and auto parts retailers. Before calling an expert, try some DIY fixes.
Dead Key Fob Battery
The key fob's battery powers your car's remote and in push-to start cars, it can start your engine. It is therefore important to keep a functioning and healthy battery. A dead key fob is an issue when you're on-the-go. The good news is that a simple, affordable replacement can be made to fix it in a short time.
The most obvious sign that a key fob battery is dying is the decrease in signal strength and range. It is also possible to notice that the buttons on your fob don't work or require extra effort to turn on.
You can often find a new key fob battery in the auto parts section of a big 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 purchase the correct battery. Certain vehicles require a certain size or type of battery that isn't always in stock at big-box stores Be sure to be aware of the correct specifications before you buy.
Typically, the battery is located on the back of your key fob. It can be removed by prying the case open with the flat-blade screwdriver. It is likely to look like a small coin and be marked with the battery's size. Make sure to note the orientation of the plus and minus symbols in order to put the new battery in the correct place. Once the battery replacement is installed, gently snap the two pieces of the fob together. Then test the buttons to make sure they function.
It's worth noting that when your key fob is unable to stop functioning, even after a battery replacement, it could be 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 dying or you're having other issues with your fob's battery, an experienced mechanic like one from YourMechanic can inspect and repair it to get you back on the road. Make car remote key repair near me to look over the range of services we provide in your area.
Weak Signals
If you find that your key fob isn't responding to the buttons on the remote, it could be a sign of a problem with the signaling. Your car and key fob depend on radio signals to communicate, therefore weak or inconsistant signals can cause poor range and performance.
One of the first things to check is whether or not your fob's battery is low since this can greatly affect the sensitivity of the signal. It's also advisable to reset the fob's settings and help restore a more consistent response from the car. The process will vary from vehicle to vehicle. The owner's guide or a phone call to your manufacturer's support line is the best source of information.
Other factors, like interference from other devices that operate on the same frequency, can also affect weak signals. Power lines, other key fobs, wireless communication devices, and even cell networks can interfere with the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
Physical damage to your keyfob can also affect the transmission of RF signal, resulting in poor performance and range. A blown fuse, a broken or cracked button or a bent case on the fob could affect the transmission of signals and cause the remote to not to function properly.
There are a few simple steps you can take to try and fix the problem of weak fob signals, like resetting the fob's settings, or replacing the battery. However, if your fob is damaged, it's time to replace it completely.
Lastly, don't forget that if you have a spare key fob that is part of your vehicle, this can be used instead of the primary remote in case it begins to fail. It's worth trying this option to see if it solves the issue before investing in an entirely new one. If not, it might be the right moment to call an experienced auto locksmith. They'll be able to diagnose the problem and suggest the most effective method of action.
Physical Damage
It's not unusual for key fobs to have issues from time to time. Fortunately, most of these issues aren't complicated or a major issue and can be resolved with some simple steps. It's a good idea also to keep spare batteries or an additional fob on hand in the event that your key fails to function.
The most common reason for car keys not working is an inactive battery. These tiny devices are powered by lithium-ion buttons or coin cell batteries. These are easily replaced and can be found in most pharmacies, grocery stores, and other places that sell electronics. Open the fob's case with a screwdriver with a flat head and gently remove the battery that you have. Make sure it's not damaged or loose, and then simply pop in an alternative battery. The majority of fobs use CR2032 batteries, however yours may require a different kind.
If your device loses pairing, it can cease to respond to buttons. This could be due to a variety of reasons, including changing the batteries, but is generally simple for an auto Locksmith or your local dealership to fix.
If none of the solutions above work, try this trick: disconnect the battery from the car and fob for a few minutes and then reconnect them in the opposite order. This may cause the system to restart and in certain cases, this will fix the issue without any other steps.
While you're experimenting with the fob, make sure to keep it out of water and other possible damage sources. Fobs can be quite sturdy, but you need to take care with it in order for it to last as long as it can.
If none of the troubleshooting steps above are helpful you, it may be necessary to replace your key fob. If it's been thrown around or tripped on, or subjected to other environmental hazards, it could be beyond repair and in need of 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 occasionally cease to function. If you lose yours it could be very expensive to replace it--especially if you don't have a spare. "You might end up paying $50 - $100 for a replacement and getting it programmed by the dealer, and a mechanical backup that will cost another $100," says Mel Yu an automotive analyst at Consumer Reports.
One of the most frequent reasons for a key fob's device to stop working is a simple issue, like a weak battery. You can try replacing the battery on your own when you know how, or get instructions from your owner's manual. If this doesn't resolve the problem, you need to get help from an expert.
A locksmith is able to help you find the lost fob or have it replaced. They will also likely have a good idea of the reason why your fob was not working in the first place. If your car is old and does not have smart technology built in, you can still save money by recording the key's number plate from your mechanical backup key. It's typically hidden behind a keychain with an ornamental design. This can make it easier for the locksmith to reprogram a brand new key fob for 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 dealer. This could cost more than simply replacing it. Modern key fobs are secured by encryption using rolling-codes that prevents thieves from gaining access to the car. This means that the locksmith needs to have a special programing tool that only the vehicle manufacturer is equipped with, which adds to the overall expense.
In most cases, you'll need to pay for the entire service at once, including any charges to reprogram a new key fob. Based on the car it could cost anywhere from around $20 at certain stores to $200 or more at a dealership for cars.