Key Fob Replacement and Repair
The key fobs in modern cars do a lot of work and are subject to lots of abuse. In most cases, a simple repair or replacement is all you need to get them working again.
The majority of fobs are made with flat watch-style batteries that are readily available in auto parts stores. Before calling an expert, try a few DIY fixes.
Dead Key Fob Battery
The battery in the key fob's remote powers your car's remote and in push-to start cars, it can start your engine. It is therefore crucial to maintain a functional, healthy battery. A dead key fob can be a major problem when you're on-the-go. A simple, affordable replacement will solve the issue quickly.
The most common indication that a battery on a key fob is failing is the decrease in signal strength and range. You might also find that the buttons on your fob do not function or require any effort to activate.
It is common to find the latest key fob batteries 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. Check out the owner's manual before you decide on the best battery. Certain vehicles require a certain size or type of battery that's not always readily available at big-box stores Be sure to be aware of the correct specifications before you buy.
The battery is typically located in the back of the key fob. It is removed using an abrasive screwdriver with a flat blade by opening the case. The battery will look like an ordinary coin, and it will be labeled according to its size. Be sure to note which way the plus and minus symbols are positioned to ensure that the new battery is placed correctly. After the replacement battery has been inserted, gently snap both pieces of the fob together and test each button to make sure they function.
If your key fob doesn't work after replacing the battery, it could be deprogrammed. In this instance, a locksmith will be required to assist. This will cost more than just replacing the battery in the key fob.
YourMechanic's experienced mechanics can repair your key fob in the event that it is damaged or if the battery has died. Make sure to look over the range of services we offer in your region and book an appointment now!
Weak Signals
If your key fob does not respond to the buttons of the remote, it could indicate that the signaling isn't functioning correctly. Radio signals are used to communicate between your car and the key fob. Poor or inconsistent radio signals can result in low performance and limited range.
One of the first things to determine is if your fob's battery is insufficient since this can greatly impact signal sensitivity. It is also recommended to reset the settings on your fob that can help bring back a more consistent response from the car. The procedure varies 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 resource here.
Other factors, including interference from other devices that operate at the same frequency can also cause weak signals. Other key fobs as well as wireless communication devices can interfere with the RF (radio-frequency) signals that your key fob transmits to connect to the receiver of your vehicle.
Damage to your keyfob's physical structure can interfere with the transmission of radio signal, resulting in lower performance and less range. A blown fuse, damaged or cracked button, or a bent case on the fob could affect signal transmission and cause the remote to not to function properly.
You can try to fix the problem by resetting your fob's settings or by replacing the battery. If your fob is old and worn, it may be the right time to replace it.
Don't forget to use the spare remote that came with your car in the event that your primary remote starts to fail. key car repair trying this solution to see if it solves the issue before you invest in the new one. In this instance it could be the right the right time to contact an expert auto-locksmith. They can identify the problem and recommend the best course of actions.
Physical Damage
It's not unusual for key fobs to encounter issues from time-to-time. Luckily, the majority of these problems are not complicated or a major issue and can be fixed with a few easy steps. It's also a good idea to have spare batteries or even another fob available in case one of your keys fails to work.
The most frequent reason for the car key fob not working is a dead battery. These small devices rely on tiny lithium-ion coin or button cell batteries to function. These are easily replaced and are available at most pharmacies, grocery stores and places which sell electronic items. The fob's case can be opened using a flat-headed screwdriver and gently remove the battery you have. Replace the battery, ensuring that it's not damaged, loose or damaged. Most fobs require CR2032 batteries. However, yours might require a different type.
Your fob might also stop responding to the buttons if it loses its pairing with the vehicle. This can happen due to a variety of factors, such as changing the batteries, but it is generally simple for an auto Locksmith or your local dealer to fix.
If none of the solutions above work, you can try this trick: unplug the batteries from the car and fob for a few minutes and then reconnect them in a reverse order. This may cause the system to restart and in some cases it will resolve the issue without any other steps.
When you're playing around with the fob, be sure to keep it away from water and other potential sources of damage. The fob is tough however, you must take care of it to ensure that it lasts as long as it can.
If the above troubleshooting suggestions don't help, it might be time to consider replacing your key fob. If it has been dropped or trampled upon, or exposed to harsh environmental conditions, it may not be able to be repaired and will need an upgrade. If that's the case, you should be sure to shop around to find a bargain before making your final decision.
Lost Fob
Even with the best care, it's a fact of the road that car key fobs may sometimes cease to function. If you lose yours it can be extremely expensive to replace it, particularly if you don't have a spare. "You could end up paying $50 - $100 for a new one and having it programmed by a dealer, plus mechanical backups that could cost you another $100," says Mel Yu an automotive analyst at Consumer Reports.

A weak battery is among the most frequent reasons for a keyfob's cease to function. If you are familiar with how to change the battery, or if the owner's manual has instructions, try it yourself. If that doesn't work you'll have to call an expert.
A locksmith can help replace or find the lost key fob. A locksmith will probably know the reason your fob stopped working in the first in the first place. If your car is old and doesn't have smart technology built in however, you can save money by recording the number plate from your mechanical backup key. It's typically hidden behind a keychain with an ornamental design. This will make it much easier for a locksmith to reprogram a new key fob for your car should you require it.
If your key fob is an older smart key, it'll need to be deprogrammed by a locksmith or car dealer. This can cost more than simply replacing it. Modern key fobs are protected by encryption using rolling-codes, which prevents thieves from getting access to the car. This means that locksmiths need an exclusive programing tool that only the vehicle manufacturer has, which increases the overall expense.
In the majority of cases, the whole service will be charged at one time. This includes all costs for reprogramming a keyfob. Depending on the type of vehicle the cost can range from around $20 at certain stores to $200 or more at a dealership for cars.