Are You Making The Most From Your Car Key Fob Repair?
Car Key Fob Repair - How to Get Back on the Road Even If Your Keyless Entry isn't Working
Over time, key fobs may experience problems such as losing functionality. Some issues may need professional attention, but most can be fixed at home.
The first step is generally to replace the battery. Most fobs use flat watches which are easily found at auto parts stores.
Dead Battery
It can be a major issue when the battery of a key fob is dead. This is especially true when you are far from home. There are car key repair service to get your car back on the road in case your keyless entry system isn't working.
One of the first things to examine is to determine if the buttons on your key fob function. If they do, the issue may be with your car's locks instead of the fob.
If your keys won't unlock, you might find a mechanical slot within the trim around the door handles or elsewhere on your vehicle (consult the owner's manual). Insert the mechanical key and try again. If this fails certain cars come with an app that allows you to unlock the doors remotely. For example, the FordPass Connect app, myChevrolet mobile app and myMazda app allow owners to unlock their doors using their smartphones. These apps do charge a monthly subscription fee.
Also, make sure that your key fob does not take the car's battery away by resting on them. A dead key fob can drain your battery fast especially if it's used to control your phone or TV while you're watching.
Holding the key fob right up to your car's start button could cause a key fob with a low battery. This simple fix can save you from having to visit your dealer or Interstate All Battery Centers.
You can also find out whether your key fob actually dead by trying it in another vehicle that has push-button ignition. If it doesn't, it could be necessary to replace the battery in your fob. It's a good idea keep an extra key fob in your purse or backpack.
Damaged Buttons
It's possible that your key fob is damaged and has a button. Your key fob likely contains a circuit board with "contact pads" for each button, and these tiny pads are coated with an electrically conducting film that wears down over time. This wear can cause your fob to respond less quickly, or not to respond at all.
The good news is that the contact pad in the car key fob can be replaced easily, and is done by using a simple flathead screwdriver. If the case is damaged or badly damaged, it will be difficult to open. It is necessary to take it to an auto repair shop to repair the fob.
It's not unusual for a key fob to be dropped, trampled on, or exposed water. All of these events can cause physical damage to keys, including bending or snapping them.
It can also cause internal damage to the fob and lead to a malfunction. This is why it's an ideal idea to keep a spare key fob inside your purse or pocket in the event that you damage the one you own.
Check the battery first If your key fob's buttons aren't working in the way they should. Key fobs do not 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 in good condition it is possible that the buttons are worn or dirty. You can easily clean them using a damp cloth. If the buttons still don't work, try an alternative car key fob. This will help you determine whether the issue is yours or a specific model. If the other fob functions it's likely that your key fob needs to be reprogrammed or even replaced completely.
Reprogramming
The world of car key fobs is more complex than some myths would suggest. The basic fobs operate by using unique radio frequency signals that are assigned to specific vehicles. The fobs must be properly programmed in order to be able to open and start the vehicle. Reprogramming a key fob is not as simple as pressing several keys. It's usually handled by the dealer.
The procedure for reprogramming the fob depends on the make and model year of your vehicle It is therefore essential to consult the owner's manual for step-by-step instructions. Some manufacturers, like Mercedes utilize proprietary technology that only the dealership is capable of creating a new key fob and resync it to your vehicle. However, some independent shops can offer this service as well and you should review reviews and prices prior to choosing the shop.
Some car models will erase other fobs when they are programmed again. This means you'll need to have additional fobs programmed by professionals. This is a costly proposition, especially if you're down to one functioning fob. It's always wise to have at least one spare mechanical key you can use to open the trunk and doors even if it doesn't start the car.
If you do decide to attempt to reprogram your fob yourself, be prepared for a gruelling journey. You'll be disappointed by the numerous guides on the internet that promise success. A majority of these guides were written by individuals with no experience and are based on unsubstantiated statements. Some even claim that you can program your own car key fob in just a few clicks, which is extremely confusing.
The battery is usually held in place by a plastic clip, which can be easily removed. However, the circuit board contains the battery, and you will need to carefully pry the battery out using an instrument. You should be able to find the button cell battery. This is usually an insignificant battery for a watch, which you can purchase at most home improvement or pharmacies. Replacing the battery is usually an easy process, but it's always worth trying this first before replacing the entire device.
Replacement
If a car key fob is damaged or isn't functioning it is crucial to know that there are several options to address the issue. It's as easy as replacing the battery or programming the key fob but a more thorough repair may be required. A spare fob is useful in the event one is lost or taken.
Modern key fobs are more expensive and more difficult to replace because they contain a physical key and electronic. Some "smart" fobs even have a built-in remote starter. It's important to be aware that it can take an hour or more to cut and program a replacement fob for your vehicle.
Fobs communicate with the car's receiver using a tiny radio transmitter on a circuitboard. Pressing a button activates the transmitter, which sends an RF signal that is unique to the car's receiver. The receiver recognizes and compares the signal to preprogrammed codes. This lets the driver unlock the car and start 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 intermittently, they could have been damaged by water. You could be able to repair the fob by removing it and inspecting for any broken or unresponsive buttons. If this doesn't resolve the problem, you can try reprogramming the fob, or buying an entirely new one.
It is recommended to consult an auto dealer in your area or a locksmith prior purchasing a replacement keyfob to make sure it's compatible with the security system of your vehicle. Aftermarket fobs can be cheaper, but you should look into the brands and read reviews before attempting to program them yourself. Some fobs can be changed by an experienced locksmith and other models require programming equipment that only a technician in the automotive industry or dealer can use.