Key Fob Replacement and Repair
The key fobs in modern vehicles do a lot of work and are subject to lots of abuse. Sometimes just a simple replacement or repair is all it takes to get them back in working good working order.
car keys repair use flat watch-style batteries, which can be found in auto parts retailers. But before you call an expert, you can try a few DIY fixes!
Dead Key Fob Battery
The battery in the key fob powers the remote feature in your car. It also, in conjunction with push-to start vehicles, permits it to start your engine. This is why it is critical to maintain an active, healthy battery. When you're on the go and your key fob is not working, it can be a huge problem. The good news is that a cheap, simple replacement can fix it quickly.
The loss of range and signal strength are the most frequent indications that a battery on a keyfob is failing. You might also find that the buttons on your fob don't work or require extra effort to turn on.
A new key fob is available in the auto part section of a major retailer 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 particular size or kind of battery that's not always available at big-box retailers, so be sure to be aware of the correct specifications before you purchase.
Typically the battery is situated in the back of your key fob and is removed by tearing open the case with the flat-blade screwdriver. It is likely to look like an ordinary coin and will be marked with the battery's size. Be sure to note which direction the plus and minus symbols are oriented to ensure that the new battery is placed correctly. Once the battery replacement is inserted, gently snap both pieces of the fob together and test each button to ensure they work.
If your key fob still isn't working after replacing the battery, it may have been deprogrammed. In this scenario you'll have to contact an expert locksmith and it will cost you a bit more than replacing the battery in your key fob.
If your fob's battery 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. Be sure to check out all of our services available in your area and make an appointment today!
Weak Signals
If you notice that your key fob isn't responding as you would expect to the buttons on the remote, this can be an indication of a problem with signaling. Radio signals are used to send messages between your car and key fob. Inconsistent or weak radio signals can lead to low performance and limited range.
The battery level of your fob is a good idea as it can affect signal sensitivity. Resetting the settings on the fob could also help restore a more regular response. The process varies from vehicle to vehicle, so your owner's manual or a call to the help line of the manufacturer will likely be your best resource here.
Other factors, such as interference from other devices operating at the same frequency can also affect weak signals. Power lines, other key fobs, wireless communication devices, and even cellular networks can interfere with the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
The physical damage to your keyfob can affect the transmission of RF signal, leading to poor performance and range. A blown fuse, broken or cracked button or bent fob case can all interfere with the transmission of signals, causing the remote to not respond.
There are a few easy steps you can take to try and solve the issue of weak fob signals like resetting the fob's settings or changing the battery. If your fob is old and worn, it may be the right time to replace it.
Lastly, don't forget that if you have a spare key fob that comes with your vehicle, this can be used instead of the primary remote in the event that it begins to fail. It's a good idea to try this method to determine if it resolves the issue before you invest in the new one. In this situation, it might be time to call an auto-locksmith professional. They will be able to identify the issue and recommend the best way to proceed.
Physical Damage
It's not common for key fobs to encounter issues from time-to-time. Most of the time, these issues are not complex or difficult to fix and can be solved with just a few steps. It's also a good idea to keep spare batteries or an additional fob in case one of your keys ceases to function.
The most common reason for car keys not working is the battery is dead. These little devices rely on tiny lithium-ion coin or button batteries to function. They are easy to replace and can be found at most pharmacies, food stores, and other places which sell electronic items. You can open your fob's case using a screwdriver with a flat head and gently pull out the battery. Replace the battery, ensuring that it's not damaged or loose. Most fobs use CR2032 batteries. However, yours may require a different kind.
When your fob loses its pairing, it can stop responding to buttons. This can happen due to a number of factors, such as changing the batteries, however it is typically a simple issue to get an auto Locksmith or your local dealership to resolve.
You can try this method to fix your fob if none of the above methods work: disconnect the battery from both the car and the fob for about 10 minutes, then reconnect them in the reverse order. This could cause the system to reboot, and in certain cases, this will fix the issue without further steps.
When you're playing around with the fob, be sure to keep it out of water and other potential damage sources. The fob is tough, but you should take care with it to ensure that it lasts for as long as it is possible to.
If the above troubleshooting tips don't help, it might be time to think about replacing your key fob. If it's been thrown, trampled on or exposed to extreme environmental conditions, it could not be repairable and will require a replacement. If this is the case, make sure to search to find a bargain before making your final choice.
Lost Fob
Even with the best of care keys to cars 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 could end up paying between $50 and $100 for a new one and having it programmed by the dealer, plus an electronic backup that could cost you 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 basic issue, like a weak battery. You can try changing the battery on your own If you are familiar with the procedure or get instructions from the owner's manual. But if that doesn't fix the problem, it's time to call in an expert.
A locksmith will be able to help you find your lost fob or get it replaced. A locksmith will probably know why your fob stopped functioning in the first in the first place. If your car is old and doesn't include smart technology, you can still save money by recording the key number plate on your mechanical backup key. It's typically hidden behind a decorative keychain. This can make it easier for a locksmith to reprogram a new key fob for your car if you ever need to do it.
If your key fob is an older smart key, it will need to be deprogrammed by a locksmith or car dealer. This could cost more than simply replacing it. That's because modern key fobs employ rolling-code encryption that prevents thieves from gaining access to the car. This means that the locksmith must have a special programming tool that is available only to the car manufacturer, which increases the cost.
In the majority of cases, the entire service will be charged at once. This includes any charges for reprogramming a keyfob. Based on the car it could cost anywhere from $20 at some stores to $200 or more at a car dealer.