Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working
Over time, key fobs can be affected by issues such as loss of functionality. Certain issues might require professional attention, however many can be fixed at home.
The first step is usually to change the battery. Most fobs use flat watch-style batteries that are readily available at hardware stores or auto parts stores.
Dead Battery
When a key fob battery is dead, it could be a major hassle especially if you're far from home. However, there are options to get back on the road if your vehicle's keyless entry system isn't working.
The first thing you should check is to see if the buttons on the key fob are still working. If they do, then the issue may be with the car's locks instead of the fob.
If your keys will not unlock, there may be a mechanical slot in the trim around the door handles or in other places in your car (consult the owner's manual). Insert the mechanical key and try again. If this doesn't work, some cars have an app that lets you unlock doors remotely. For instance, the FordPass Connect app, the myChevrolet mobile app and myMazda app allow owners to unlock their doors with their smartphones. However, these apps have a monthly fee.
Also, make sure that your key fob does not drain your car's batteries by sitting on them. A dead fob can quickly drain your battery, particularly if you use its remote feature while watching TV or talking on the phone.
Holding the key fob up to your car's start button can sometimes start an ignition key fob with an empty battery. It's a simple fix that can save you going to the dealer or to select Interstate All Battery Center locations.
You can also find out if your key fob is actually dead by trying it in another vehicle that has the push-button ignition. If it fails it's likely that the battery needs replacement. It's a good idea to keep an extra key fob in your bag or purse.
Damaged Buttons
It's possible that your key fob has a damaged button. Your key fob contains a circuit with "contact pads" that are covered with an electrically conductory film. The film wears off over time. This wear could cause your fob to respond less quickly, or not at all.
The good news is that the contact pad in the car key fob is simple to replace and it can be done by using a simple flathead screwdriver. If the case is damaged or badly smashed, it will be difficult to open. You'll have to take it to an auto shop to repair the fob.
It's not common for a key fob be thrown around, trampled upon or even exposed to water. All of these events can cause physical damage, such as bending and snapping the keys.
key repair near me can also cause internal damage to the fob, which could result in a malfunction. It is a good idea, so, always keep an additional fob in your wallet or pocket in case the one you're currently using breaks.
Make sure the battery is charged first if your key fob buttons are not responding as they should. Be aware that key fobs don't come with a particular kind of electronic device; most of them run on the same two-dollar batteries that are used in hearing aids and watches and are available at hardware stores, drug stores, and even online.
If the battery is in good condition it is possible that the buttons are worn or dirty. You can easily clean them using a damp cloth. If they're still not responding, you can 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 reset or replaced.
Reprogramming
The secret world of car key fobs is much more intricate than what some myths would suggest. Basic fobs work with radio frequency signals that are specific to each car. The fobs have to be programmed correctly in order to unlock and start the vehicle. Reprogramming a key fob not as simple as pressing a few keys. It is usually handled by the dealer.
The procedure of reprogramming a fob is dependent on the manufacturer and model year of the car you own It is therefore essential to refer to the owner's manual to get step-by-step instructions. Certain manufacturers, like Mercedes have proprietary technology that only dealerships are capable of creating a new key fob, and then sync it to your vehicle. Some independent shops may also offer this service, so check reviews and prices prior to choosing the right shop.
Some car models will erase all other fobs once they are changed. This means that you'll have to have any extra fobs programmed by an expert. This can be costly especially if the fob isn't working anymore. It is always advisable to have at minimum a backup mechanical key that you can use to unlock the trunk and doors, even if it won't start the car.
If you attempt to reprogram your fob on your own be prepared for a difficult journey. You'll be disappointed by countless online guides that promise success. A lot of these guides were created by people who have no experience in this area and are often founded on unsubstantiated claims. Some of them even state that you can program your car key fob in only a few clicks, which can be very misleading.
The majority of key fobs are held by a plastic clip that's easy to loosen, but the battery is inside the circuit board, and you'll need to carefully pry it out with a tool. Once you've gotten inside, you should be able locate the button cell battery, which is usually a small watch battery that can be purchased in most pharmacies or home improvement stores. It's usually simple to replace the battery. Before replacing the whole device, you should try it first.
Replacement
There are many ways to fix a damaged or non-functioning car key fob. It may be possible to resolve the issue quickly by replacing the battery or programming your key fob. However it is possible that a more extensive repair may be needed. A spare fob could be useful in the event that one is lost or stolen.
Most modern key fobs include a small physical key in addition to the electronic component which makes them more expensive and more complex to replace than traditional keys. Certain "smart" fobs have a built-in remote starter. It's important to be aware that it could take an hour or more to cut and program an alternative fob for your vehicle.
Fobs communicate with the car's receiver using a small radio transmitter that is mounted on the circuit board. Pressing an appropriate button will activate the transmitter, which sends an RF signal unique to the car's receiver. The receiver is able to recognize and compare the signal with preprogrammed codes. This lets the driver unlock the vehicle and begin it from a distance, without putting the key in the ignition or turning the lock.
If the buttons on your key fob fail to respond or operate intermittently it could indicate that they've been damaged due to water or other elements. You can repair the fob if you take it apart and check for broken or non-responsive buttons. If this doesn't solve the issue, you can try reprogramming the fob or purchasing another one.
It is recommended to consult a local auto dealer or a locksmith prior purchasing a replacement keyfob online to ensure that it is compatible with the security system of your vehicle. Aftermarket fobs can be cheaper however, you must study the brands and read reviews before attempting to program them yourself. Certain fobs can be programmed by a locksmith who is reputable however, other models require programming equipment that only a car technician or dealer is able to utilize.