Why We Are In Love With Car Key Fob Repair (And You Should Too!)
Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working
Key fobs may experience issues over time, including a loss of functionality. Certain issues might require professional attention, but many are fixable at home.
The first step is typically to change the battery. The majority of fobs have flat watches that are readily available at hardware stores or auto parts stores.
Dead Battery
It can be an incredibly inconvenience when a key fob's battery is dead. This is especially the case if you are away from home. There are ways to get your car back on the road in case your keyless entry system has stopped working.
One of the first things to check is whether the buttons on the key fob function. If they don't, the problem could be with the locks on your car.
If the keys won't unlock try looking for a mechanical key slot concealed in the trim of your door handle or in another location on the vehicle (consult the owner's manual). Insert the mechanical key, and try again. If this fails certain cars come with an app that can open doors remotely. For instance, the FordPass Connect app, the myChevrolet mobile app, and myMazda app permit owners to open their doors using their smartphones. These apps do charge a monthly subscription fee.
It is also important to ensure whether your key fob won't take the car's battery away by resting on them. A dead fob will drain your battery fast especially if it's used to control your phone or TV while you're watching.
A key fob that's low on battery may be activated by holding it until you hit the start button. This simple fix can save you from having to visit your dealer or to certain Interstate All Battery Centers.
If your key fob does not work You can test it in a car with an ignition button. If it doesn't, you might need to replace the battery in your fob. This is why it's a good idea to keep an extra key fob in the bag or purse.
Damaged Buttons
If your key fob isn't able to unlock doors or start the car remotely, it's possible that one or more of its buttons is damaged. remote car key repairs contains circuit boards with "contact pads" for each button. These tiny pads are coated with a conductor of electricity that wears down over time. This wear could cause your device to respond less or not at all.
The pad that contacts car keys can be easily replaced using the flat-head screwdriver. If, however, the key fob is severely damaged or broken in any way, it may be more difficult to open up the case, and you'll have to take the fob to an auto repair shop to be repaired.
It's not uncommon for keys to be dropped on hard surfaces, trodden on, or exposed to water. All of these can cause physical damage to keys, such as bending or snapping them.

This could also affect the internals of the fob, which could lead to malfunction. This is why it's always a good idea to carry an extra key fob in your pocket or wallet in the event that you break the one you already have.
Make sure the battery is charged first to determine if the buttons on your key fob are not responding like they should. Key fobs don't require a special type of electronic device. They utilize the same battery for two dollars that is used in hearing aids and watches. These batteries are available at hardware, drug, and online stores.
If the battery is good the buttons could be worn or dirty. You can easily clean them with a damp cloth. If they're still not responding, try a different type of key fob to determine whether the issue is related to yours or with a specific type of car key fob. If the other key fob functions, then yours may need to be reprogrammed or replaced.
Reprogramming
The world of car key fobs is much more complex than some myths suggest. Basic fobs function using radio frequency signals that are unique to each car. The fobs need to be correctly programmed to unlock and begin the vehicle. Reprogramming a key fob is not as simple as pressing several keys. It's usually done by the dealer.
Check the owner's manual for specific instructions. Certain manufacturers, like Mercedes, use proprietary technologies that only the dealership is capable of creating a brand new key fob and then resync it to your vehicle. However certain independent shops offer this service as well so make sure to check reviews and prices before selecting the shop.
Certain models of cars erase all other fobs once they're changed. This means that you'll have to have any additional fobs programmed by an expert. This can be expensive particularly if your fob is no longer working. It's always wise to have at least one backup mechanical key that you can use to open the trunk and doors even if it's not able to start the car.
Be prepared for a frustrating experience if you decide to reprogram your fob by yourself. You'll be disappointed with the numerous guides on the internet that promise success. A lot of these guides were written by people who have no knowledge of this field, and they're often based on unsubstantiated claims. Some of them even state that you can program your own car key fob with just a few clicks, which is extremely false.
The battery is typically held in place by clips made of plastic, which can be removed easily. However, the circuit board contains the battery, and you'll need to remove the battery with an instrument. Once you've gotten inside, you should be able locate the button cell battery which is typically a tiny watch battery that can be found at most pharmacies or home improvement stores. It's usually simple to replace the battery. Before replacing the whole unit, it's worth trying first.
Replacement
There are a variety of ways to fix a broken or damaged car key fob. A quick fix can be as simple as replacing the battery or changing the program on the key fob, however a more extensive repair may be needed. It is also helpful to keep a spare fob in the event that one is lost or stolen.
The majority of modern key fobs have an incredibly small physical key in addition to the electronic component which makes them more expensive and more complex to replace than traditional keys. Some "smart" fobs even come with a remote starter. As such, it's important to understand that it could take up to an hour for a new key fob cut and programmed for your vehicle.
Fobs use a small radio transmitter mounted on circuit boards to communicate with the car's receiver. By pressing a button, the transmitter emits an RF signal specific to the car's receiver. The receiver recognizes and compares the signal with preprogrammed codes. This allows the driver to start the car from a distance, without the need to insert the key in the ignition.
If the buttons on the fob you have purchased fail to respond or operate intermittently, it can indicate that they have been damaged by water or other causes. You may be able to repair the fob by removing it and examining it for broken or non-responsive buttons. If this does not solve the issue, try reprogramming the fob or purchasing an entirely new fob.
Before buying a replacement key fob online, you should consult an expert locksmith or your local auto dealer to ensure that it's compatible with the security system of your vehicle. There are a variety of aftermarket key fobs available cheaper, but it's essential to look up the brands and read reviews before attempting to program them. While some fobs are able to be replaced by a trusted locksmith, others require special programming equipment that can only be used by a vehicle dealer or auto technician.