Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working
Over time, key fobs could experience problems such as malfunction. While some issues may require professional attention, many are fixable at home.
The first step is generally to change the battery. The majority of fobs are powered by flat watch-style batteries, which can be easily found in hardware or auto parts stores.
Dead Battery
It can be an incredibly issue when the battery of a key fob dies. This is especially true when you are far from home. However, there are options to get back on the road when your car's keyless entry doesn't work.
The first thing you should check is if the buttons on the key fob are working. If they do, the issue could be with your car's locks instead of the fob.
If your keys will not unlock, there may be an electronic slot in the trim around your door handles or in other places in your car (consult the owner's manual). Insert the mechanical key and try again. If this fails, some cars have an app that can open doors remotely. FordPass Connect MyChevrolet Mobile App, myMazda apps, for instance, allow owners to unlock their doors using smartphones. However, these apps are subject to a monthly cost.
It is also important to ensure whether your key fob won't take the car's battery away by sitting on them. A dead fob can quickly drain your battery, especially when you use its remote feature while watching TV or speaking on the phone.
Holding the key fob right towards the start button may cause the key fob that has a low battery. It's a simple fix that can save you going to the dealer or select Interstate All Battery Center locations.
You can also find out whether your key fob actually dead by testing it in another vehicle with push-button ignition. If it's not working, the fob battery probably needs replacement. This is why it's a good idea to keep a spare key fob inside the bag or purse.
Damaged Buttons
It's possible that the key fob is damaged and has a button. Your key fob is equipped with a circuit with "contact pads" that are covered with an electrically conductive film. The film wears away over time. The wear may cause your fob to respond slower, or not at all.
key repairs on a car keyfob can be easily replaced using the flathead screwdriver. If, however, key repair near me is severely smashed or harmed in any way, it might be more difficult to open up the case, and you'll be required to take the fob into an auto repair shop to be repaired.
It's not unusual for a key fob to be dropped on hard surfaces, tripped on or exposed to water. All of these incidents can cause physical damage, such as breaking the keys and snapping them.
It can also cause internal damage to the fob and cause malfunction. It's a good idea, that's why you should always carry an additional fob in your purse or pocket in the event that the one you currently have fails.
Examine the battery first to determine If your key fob's buttons aren't working in the way they should. Key fobs don't require any special electronic device. They use the same two-dollar battery that is used in hearing aids and watches. They are sold at hardware, drug, and online stores.
If the battery is working it's likely that the buttons are just worn down or dirty, and can be cleaned by using a damp cloth to wipe them clean. If the buttons do not work, try an alternative car key fob. This will help determine if the problem is yours or a specific model. If the other key fob works, then yours might need to be reset or replaced.
Reprogramming
The hidden world of fobs for car keys is more complex than many myths suggest. The basic fobs function using radio frequency signals that are assigned to specific cars. The fobs need to be correctly programmed to unlock and begin the vehicle. Reprogramming a key fob is not as easy as pressing a few keys. It's usually handled by the dealer.
The procedure of reprogramming a fob depends on the make and model year of the car you own and it's essential to refer to the owner's manual for step-bystep instructions. Certain manufacturers, like Mercedes utilize proprietary technology that ensures only dealerships can design the new fob and sync it with your vehicle. Some independent shops might offer this service, so make sure to check reviews and prices prior to selecting a shop.
Some car models will erase other fobs when they're reprogrammed. This means that you'll have to have any extra fobs programmed by an expert. This is an expensive proposition especially if you're only just one functional fob. Even in the event that the mechanical key will not work to start your vehicle, it's a great idea to have a backup that can open the trunk and doors.
Be prepared for a difficult experience if you opt to reprogram your fob yourself. You'll be disappointed by the numerous guides on the internet that claim to be successful. Many of these guides were written by people with no experience and are based on unsubstantiated statements. Some even claim that you can program your car key fob with just a few clicks, which can be very confusing.
Most key fobs are secured by a clip made of plastic that's easy to loosen, but the battery is inside the circuit board, so you'll have to carefully pry it out using a device. You should be able to find the button cell battery. It's typically tiny batteries for watches that you can purchase at most home improvement or pharmacies. It's generally easy to replace the battery. Before replacing the entire unit, it's worth trying first.
Replacement
If your car key fob is damaged or isn't functioning it is crucial to know there are several options to remedy the problem. A quick fix can be as simple as replacing the battery or programming the key fob however a more extensive repair may be needed. It's also beneficial to have a spare key fob in case one is lost or stolen.
Modern key fobs are more expensive and difficult to replace due to the fact that they have an actual key along with electronic. Some "smart" fobs also include a remote starter built-in. As such, it's important to be aware that it could take up to an hour to get a replacement key fob cut and programmed to your vehicle.
Fobs make use of a tiny radio transmitter that is mounted on circuit boards to communicate with the car's receiver. Pressing the button triggers the transmitter, which sends a unique RF signal to the car's receiver. The receiver detects the signal and verifies it against preprogrammed codes. This allows the driver to open the vehicle and begin it from a distance without putting the key in the ignition or turning the lock.
If your key fob buttons are not responding or working in a sporadic manner, they may be damaged by water. You may be able to repair the fob by taking it apart and inspecting for any broken or unresponsive buttons. If this doesn't solve the problem, you can try reprogramming the fob or buying a new one.
It is best to check with an auto dealer in your area or a locksmith prior purchasing a replacement keyfob online to ensure that it's compatible with the security system of your vehicle. Aftermarket fobs can be cheaper but you should look into the reviews and brands before trying to program them yourself. While certain fobs can be repaired by a reputable locksmith, other models require special equipment to program them that can only be used by a car dealer or auto technician.