Key Fob Replacement and Repair
Modern car key fobs are used often and are often abused. Many times, a simple replacement or repair is all that's required to bring them back into good working order.
Most fobs are powered by flat watch-style batteries. This can be found in hardware and auto parts stores. Before you call in an expert, try some DIY fixes.
Dead Key Fob Batteries
The key fob battery powers the remote function of your car. It also, in conjunction with push-to-start vehicles it allows it to start your engine. It is therefore crucial to maintain a working, healthy battery. When you're on the go, a dead key fob can cause a lot of trouble. The good news is that a simple, affordable replacement can fix it quickly.
The most frequent sign that a key fob battery is depleting is the decrease in signal strength and range. It is also possible to find that the buttons on your fob don't function or require any effort to be activated.
It is common to find an updated key fob battery in the auto parts section of a big box retailer or online. They are typically CR2032 or CR2025 batteries and are available in packs of two or more. However, it's a good idea to read the owner's manual before shopping for the correct battery for your vehicle. Certain cars require a specific size or type of battery that isn't always available at big-box retailers Be sure to be aware of the correct specifications before you purchase.
The battery is typically located in the back of the key fob. It can be removed using a flat-bladed screwdriver by opening the case. It is usually shaped like the shape of a small coin, and be labelled with the battery's size. Make sure to note the way the plus and minus symbols are placed to ensure that the battery you are replacing is positioned correctly. After the replacement battery has been placed in the fob, gently snap both pieces of the fob together. Then test the buttons to make sure they function.
If your key fob doesn't work after replacing the battery, it may have been deprogrammed. In this instance you'll have to contact locksmiths for assistance which will cost some more than replacing the battery in your key fob.
The skilled mechanics at YourMechanic are able to repair your key fob in the event that it is damaged or if the battery has died. Schedule an appointment to see all the services we provide in your local area.
Weak Signals
If your key fob doesn't respond to the buttons of the remote, it could be an indication that the signaling system is not functioning properly. Radio signals are used to communicate between your car and key fob. Poor or inconsistent radio signals can lead to poor performance and a limited range.
The battery level of your fob is a good idea since it can significantly affect the sensitivity of your signal. Resetting More Support on the fob could also help restore a more regular response. The procedure may differ from vehicle to vehicle. The owner's manual or a call to your manufacturer's support number is your best resource.
Other factors can contribute to weak fob signals, including interference from other devices operating on the same frequency as your key fob. Power lines, other key fobs, wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver inside your vehicle.
Additionally physical damage to your key fob could hinder the transmission of RF signals, which could result in a decrease in performance and range. A damaged or blown fuse, a broken or cracked button, or a bent fob case can all affect the transmission of signals, causing the remote to fail to 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 out, it might be the right time to replace it.
Don't forget to make use of the spare remote that came with your car in the event that your primary remote begins to fail. It's worth trying this solution to see if it can solve the issue prior to investing in a new one. In this instance, it might be the right time to contact an auto-locksmith professional. They can identify the issue and recommend the best course of action.
Physical Damage
It's not unusual for key fobs to encounter issues from time to time. Fortunately, most of these issues aren't difficult or complicated and can be solved by following a few simple steps. It's a good idea also to keep spare batteries or an additional fob on hand in case your key ceases to work.
The most common reason for a car key fob not working is a dead battery. These little devices rely on tiny lithium-ion button or coin batteries to function. These batteries are easily replaceable and can be found at most pharmacies and grocery stores. You can open the case of the fob using a flat-headed screwdriver, and gently pry out the battery you have. Ensure that it is not damaged or loose, and then put in an alternative battery. Most fobs require batteries that are CR2032. However, yours might need a different type.
The fob may also stop responding to the buttons after losing its connection to the car. This could be due to a variety of factors, such as changing the batteries. However, an auto Locksmith or a local dealership will usually be able to solve the issue.
You can try this trick to fix your fob in the event that none of the above methods work: disconnect the battery from both the fob and the car for around ten minutes, then reconnect them in the reverse order. This could cause the system to restart and in some instances, this will fix the issue without any other steps.
When you're playing around with the fob, ensure to keep it clear of water and other potential dangers. The fob is tough but you need to take care of it to make it last for as long as you can.
If none of the troubleshooting techniques above work, you may need to replace your key fob. If it's been dropped or tripped over, or exposed to other environmental hazards, it could be damaged beyond repair and may require an upgrade. Find the most affordable price.
Lost Fob
Even with the best of care, it's a fact of life that car key fobs may occasionally stop working. It's expensive to replace yours in the event that you lose it and especially when you don't have a spare. "You might end up paying $50 or more to purchase an alternative from the dealer and then have it programmed, as well as a new mechanical backup which will cost at least another $100," says Mel Yu, an automotive analyst with Consumer Reports.
One of the most common reasons for a key fob's device to not function is a simple issue, like an insufficient battery. Try changing the battery yourself If you are familiar with the procedure or consult your owner's manual. If that doesn't work you'll have to call an expert.
A locksmith is able to help you find your lost fob, or get it replaced. They'll also have a good idea of the reason your fob stopped functioning in the first place. If your car is an older model that has no built-in smart technology You can save cash by locating the key number plate on your current mechanical backup key (it's typically hidden behind a decorative keychain) and storing it in a secure place, such as in your wallet or on your phone. This will make it easier for the locksmith to reprogram a new key fob for your car in the event that you need to do so.
If your key fob is an older smart key, it'll need to be deprogrammed by a locksmith or a car dealer. This could cost more than replacing it. Modern key fobs are protected by rolling-code encryption, which prevents thieves from gaining access to the car. This means that the locksmith has to have a special software program that is only available to the car manufacturer, which increases the cost.
In most cases, the whole service will be billed at the same time. This includes any costs to reprogramme a new keyfob. This could range from around $20 in some stores to more than $200 at car dealerships, based on the vehicle.