Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working
Over time, key fobs may have issues, such as a loss of functionality. Certain issues might require professional attention, but many are fixable at home.
Change the battery is often the first step. Most fobs utilize batteries with a flat design that are easy to find in hardware stores or auto parts stores.
Dead Battery
If a key fob battery dies, it can be a major hassle especially if you're far from home. There are solutions to get your car back on the road if you're keyless entry system isn't working.
car remote key repair of the first things to check is to determine if the buttons on your key fob work. If they don't it could be a problem with the locks on your car.
If your keys don't work try looking for a mechanical key slot concealed in your door handle trim or on another part of the vehicle (consult the owner's manual). Insert car remote key repair and try again. If this doesn't work, some cars have an app that can open doors remotely. FordPass Connect MyChevrolet Mobile Application and myMazda apps, for instance let owners unlock their doors with their smartphones. However, these apps are subject to an annual cost.
Also, you should ensure that your key fob isn't draining your car's battery by resting on it. A dead key fob will quickly drain your battery, especially when you use its remote feature while watching TV or speaking on the phone.
Holding the key fob towards the start button could cause a key fob with a low battery. This simple fix can save you from having to visit your dealer or certain Interstate All Battery Centers.
You can also find out whether your key fob actually dead by testing it in a different vehicle that has push-button ignition. If it doesn't work, you may need to replace the battery in your fob. This is why it's a good idea keep a spare key fob inside your bag or purse.
Damaged Buttons
It's possible that your key fob is damaged and has a button. The key fob may contain a circuit board with "contact pads" for each button. These tiny pads are coated with a conductor of electricity that wears away over time. This wear can cause your fob to respond slow or not respond at all.
The good news is that the contact pad on the key fob of a car can be replaced easily, and can be done so with the help of a simple flathead screwdriver. However, if 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 into an auto shop for repair.
It's not unusual for keys to be dropped on hard surfaces, walked on or exposed to water. These events can cause physical damage to keys, including bending or snapping them.
It can also cause internal damage to the fob and cause a malfunction. This is why it's recommended to keep a spare key fob inside your wallet or pocket in case you accidentally break the one you have.
If your key fob's buttons aren't responding as they should, first verify that the battery is in good working condition. Remember that key fobs don't come with a particular kind of electronic device; most of them run on the same two-dollar batteries used in hearing aids and watches that are readily available at hardware stores, drug stores, and on the internet.
If the battery is functioning properly 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, test a different key fob to determine whether the issue is with yours or with a specific type of car key fob. If the other fob is working then it's likely your key fob needs to be reprogrammed, or even replaced completely.
Reprogramming
The hidden world of car keys fobs is more complex than the myths that surround it suggest. The basic fobs operate on unique radio frequency signals that are assigned to specific vehicles. The fobs have to be programmed to allow unlocking and starting the vehicle. Unfortunately it's not as simple as pressing a few buttons, and with only a few exceptions it has to be done by a dealer.
The process of reprogramming a fob is based on the model and model year of your car, so it's important to consult the owner's manual to get step-by-step instructions. Some manufacturers, like Mercedes utilize proprietary technology that only dealerships are able to create a new key fob, and then sync it to your vehicle. However certain independent shops provide this service as well so make sure to review reviews and prices prior to selecting the shop.
Certain car models erase all other fobs when they're programmed, meaning you'll need any additional fobs programmed professionally. This can be costly, especially if your fob has stopped working. It's always recommended to have at least one spare mechanical key that you can use to unlock the trunk and doors even if it's not able to start the car.
Be prepared for a gruelling experience if you choose to reprogram your fob yourself. You'll be disappointed with the countless online guides that promise success. Many of these guides are written by people with no knowledge of this field, and they're often based on unsubstantiated claims. Some of these guides claim that you can easily program your car's key fob by yourself in just only a few clicks. This is false.
The majority of key fobs are held in place by a clip made of plastic that is easy to remove but the battery is inside the circuit board, which means you'll need to carefully pull it out with a tool. You should be able find the button battery. This is usually a small battery for watches that is available at most pharmacies or at home improvement stores. Replacing the battery is usually simple, and it's always worth trying first before replacing the entire unit.
Replacement
There are many ways to fix a damaged or damaged car key fob. An easy fix could be as simple as replacing the battery or reprogramming the key fob, but a more in-depth repair may be needed. A spare fob can be helpful in the event that one is stolen or lost.
Modern key fobs are more expensive and difficult to replace due to the fact that they have the physical key as well as the electronic. Some "smart" fobs also include a remote starter built-in. It's therefore important to be aware that it can take up to an hour to get a replacement key fob cut and programmed for your vehicle.
Fobs utilize a small radio transmitter on a circuit board to communicate with the car's receiver. By pressing a button the transmitter transmits an RF signal unique to the car's receiver. The receiver recognizes the signal and validates it against the preprogrammed codes. This allows the driver to start the car from a distance, without the need to insert the key in the ignition.
If your key fob buttons aren't responding or working intermittently, they could have been damaged by water. You could be able to fix the fob by removing it and inspecting for any broken or non-responsive buttons. If this doesn't resolve the issue, try reprogramming the fob, or purchasing an entirely new one.
It is recommended to consult an auto dealer in your area or a locksmith prior purchasing a replacement keyfob to ensure that it is compatible with the security system of your vehicle. There are a variety of aftermarket key fobs available less expensive, but it's crucial to study the brands and read reviews prior to trying to program them. While certain fobs can be repaired by a reputable locksmith, others require specialized programming equipment that can only be used by a professional auto dealer or auto technician.