9 Signs You're The Car Key Fob Repair Expert
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. While some issues may require professional attention, the majority can be fixed at home.
The first step is generally to replace the battery. The majority of fobs have batteries with a flat design which are easily found at hardware stores or auto parts stores.
Dead Battery
When a key fob battery dies, it can be a huge inconvenience particularly if you're away from home. However, there are options to get back on the road even when your vehicle's keyless entry system isn't working.
One of the first things to check is whether the buttons on the key fob function. If they aren't then the issue could be with the locks on your car.
If your keys do not unlock, there may be an electronic slot in the trim around your door handles or on your car (consult the owner's manual). Insert the mechanical key and try again. If this fails to unlock the door, some vehicles come with an application that lets you unlock the door remotely. For example, the FordPass Connect app, the myChevrolet mobile app, and myMazda app allow owners to unlock their doors using their smartphones. These apps do charge monthly subscription fees.
It is also important to ensure that your key fob isn't draining your car's battery by resting on it. A dead fob can quickly drain your battery, particularly when you utilize its remote functions while watching TV or speaking on the phone.
A key fob that's just low on battery can be started by holding it until you hit the start button. It's a quick fix that will save you a trip to the dealer or select Interstate All Battery Center locations.
You can also determine whether your key fob 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. This is why it's a good idea keep a spare key fob inside a purse or backpack.
Damaged Buttons
It's possible that your key fob is damaged and has a button. Your key fob is likely to have an electronic circuit board that has "contact pads" for each button, and these little pads are coated with an electricity conducting film that wears away over time. This wear can make your fob respond slow or not respond at all.
The pad that contacts a car keyfob can be easily replaced with the 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 being dropped, trampled, or exposed water. All of these can cause physical damage to the keys, such as bending or snapping them.
This can also cause internal damage to the fob and cause an issue. It's a good idea, therefore, to always carry an additional fob in your purse or in your pocket in case the one you're currently using is damaged.
Check the battery first if your key fob buttons aren't working like they should. Key fobs don't require an electronic device. They utilize the same two-dollar battery that is used in hearing aids and watches. They are sold in drug, hardware and online stores.
If the battery is good, the buttons may be worn or dirty. You can easily clean them using a damp cloth. If they're still not responding, try a different key fob to determine whether the problem is with yours or a specific kind of car key fob. If the other key fob is working, then yours might need to be reset or replaced.
Reprogramming
The secret world of car keys fobs is more complicated than most myths suggest. Basic fobs work with radio frequency signals that are specific to each vehicle. The fobs have to be programmed to unlock and start the vehicle. Reprogramming a key fob not as easy as pressing several keys. It's usually handled by the dealer.
The procedure of reprogramming a fob depends on the make and model year of your car and it's essential to consult the owner's manual to get step-by-step instructions. Certain manufacturers, like Mercedes utilize proprietary technology that only dealers are able to create a new key fob, and then sync it to your vehicle. However, some independent shops can offer this service as well and you should look up reviews and prices prior to choosing a shop.
Some car models will erase other fobs when they are programmed again. This means that you'll have to have any additional fobs programmed by a professional. This can be expensive especially if the fob is no longer working. Even when the mechanical key doesn't work to start your car, it's a good idea to have a backup that can open the trunk and doors.
Be prepared for a frustrating experience if you decide to reprogram your fob by yourself. You'll be disappointed with the countless online guides that promise success. Many of these guides were written by people who have no experience in this area and are often based on unsubstantiated claims. Some of them even claim that you can program your own car key fob in just a few clicks, which is very misleading.
The battery is typically secured with an elastic clip that can be removed easily. However the circuit board is home to the battery, and you will need to carefully pry the battery out using a tool. Once you get inside, you'll be able to locate the button cell battery, which is typically a small watch battery that is available in most pharmacies or home improvement stores. It's generally easy to replace the battery. Before replacing the whole unit, you can try replacing the button cell first.
Replacement
If your car key fob has been damaged or has stopped working, it's important to know that there are a few ways to address the issue. It is possible to fix the problem quickly by replacing the battery or reprogramming your key fob. However it is possible that a more extensive repair might be required. A spare fob can be helpful in the event that one is lost or stolen.
Modern key fobs are more expensive and more difficult to replace since they have the physical key and electronics. Certain "smart" fobs even have a built-in remote starter. It's important to be aware that it can take up to an hour to cut and program an alternative fob for your vehicle.
Fobs utilize a small radio transmitter 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 recognizes the signal and verifies it against the preprogrammed codes. This allows a 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 work sporadically, it can indicate that they've been damaged by water or other factors. You could be able to repair the fob by removing it and looking for any damaged or non-responsive buttons. If this doesn't solve the issue, you can try reprogramming it or purchasing a new fob.
Before remote key fob repair near me purchase a replacement fob online, you should contact a professional locksmith or your local auto dealer to make sure it's compatible with your vehicle's security systems. There are many aftermarket fobs cheaper, but it's essential to look up the brands and read reviews before attempting 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 vehicle dealer or auto technician.