The No. One Question That Everyone In Repair Car Key Must Know How To Answer

How to Repair a Car Key Fob

You key fob is likely to be tossed around frequently. This could cause the buttons to become stuck or break. If it is necessary, give it a thorough cleaning and replace the battery.

Most cars are equipped with the coin-style battery, which you can buy from pharmacies, big box stores and home improvement stores. However, some models require special programming equipment that dealers only have.

Dead Battery

The car key fob can make it easier to start your vehicle, and get into it. What happens if you push the button a few times, and your car doesn't respond? This is usually caused by a dead or dying battery. The battery can be easily replaced. You can find replacements in auto parts stores, supermarkets and even some home improvement centers.

However certain other features that the key fob offers might not function. This could be due to an issue with the mechanical system or an electrical issue, or even a deprogramming mistake in your car's receiver. In these cases it's best to call a professional.

Most manufacturers include a mechanical slot on the fob to be used in case of dead cells. In most cases the key slot is hidden behind a cover on the handle of the fob. You can insert the physical key into the slot to unlock your doors and start your vehicle. Don't forget to insert the key fob back into the slot once you've started the car.

If you're fortunate enough to have a Ford car that has SYNC Connect, there's another method of starting the car without the key fob. The majority of SYNC Connect equipped Ford vehicles have an additional "E-blade" within the cupholder. This key is used to push the starter button in the event that the key fob you have is not able to start the vehicle. To make the most effective use of this feature, ensure that the battery is fully charged. You can also refer to your owner's guide for instructions on the best way to use it.

If your car still has issues after replacing the battery in your key fob you might need to call an authorized locksmith or dealer to get the battery or fob repaired. In certain cases it is possible to get a new battery that can be used to program the key fob in your car at the dealership, or you can choose Interstate All Battery Center stores. This is only possible as long as the circuit board and antennas aren't damaged.

Damaged Buttons

The buttons on your car key fob are bound to suffer a lot of wear and wear over the course of their lives. They are prone to dropping and are frequently in purses and pockets. The jolting could cause internal components to loosen or become damaged, resulting in them not responding when you press them. A few simple steps can often resolve this issue, however occasionally, you might have to take your device to an expert locksmith.

The most frequent reason for a car keyfob that isn't working is that the batteries are dead. These little coin-shaped batteries are fairly inexpensive and are easy to find them at large-box stores or hardware stores. You can also find videos that explain how to replace the battery for your key fob on YouTube or in your owner's manual.

It's important to remember that some keyfobs require an exact procedure to enter the appropriate programming mode to replace the batteries. In these instances you'll need to consult the owner's guide and/or an auto locksmith to make sure you are following the proper procedure.

If the battery is dead, leaving your key fob in extreme temperatures can cause it to stop working. In such a case you'll have to talk to an automotive locksmith or dealer to obtain an alternative fob.

If the buttons on your key fob still don't respond, it could be that the contacts inside are worn out. These contacts are rubber-like and coated with an electricity-conducting film, but they can start to wear out over time due to repeated use. It is possible to fix this issue by removing the key fob, and then placing an aluminum strip over the worn-out contacts.

It's important to note that some key fobs can be difficult to open and can't be opened with confidence without the right equipment only accessible at a dealer. If you attempt to open it with a screwdriver, or any other tool, you may end in causing damage to the internal circuit board. This could lead to an expensive repair cost.

Circuit Board Issues

If your key fob is able to unlock the doors of your car and start your engine however, it's not functioning as far as it did previously, the problem may be with the circuit board. The circuit board is an electronic chip within the case. It sends signals to the car telling it that you want to lock the doors, open the trunk, or turn off the ignition. If the circuit board is damaged the key fob won't be able to transmit these signals.

You can fix damaged circuit boards by yourself If you have some technical expertise. Take the battery off, then separate the rubber button assembly and the holder from the circuit board. Clean the plastic frame and contacts using rubbing alcohol and cotton swab. This should eliminate any corrosion that blocks the circuit board from transmitting signals.

After reassembling your key fob, check that it is in programming mode. Usually this involves switching it off and on repeatedly, so make sure to check your owner's manual for specific instructions. Many car manufacturers also have videos online that will show you how to accomplish this. If you're not sure how to do this then you can take your key fob into an expert locksmith who is knowledgeable about the model of your car.

Some of the more modern key fobs come with an integrated receiver which allows you to access your trunk, lock your doors and turn on your ignition from an extended distance. They are generally more reliable and operate across a wider area. If your newer key fob isn't functioning as far as it did in the past it could be due to an issue with the antenna or other issue within the internals.

If you can't get your key fob to function, the most likely culprit is the battery is dead. It's inexpensive and easy to replace. If the circuit board or buttons on the fob are damaged, it's going to need to be professionally repaired and reprogrammed. This service is offered by most dealerships, but you can also find a shop that is specialized in your specific car model.

Forgotten Key

When you've lost your car keys fob, it could be an absolute nightmare. It's possible to turn your home upside down by retracing all your steps and looking everywhere. This includes in drawers, bags and under couches. In the end, you'll find it. Prevention is the best method to avoid losing your key fob. If you've even a hint of ADD or are just forgetful, make several copies and give them to your close family and friends members, so that when you lose yours, you don't spend four hours covered in sweat and blaming yourself for the rest of your life.

Most cars come with key fobs that allow you to lock and unlock your doors. You can also, in some cases you can set off the alarm or open the trunk. However, a few of the more advanced models have even cooler features, like the ability to call your car at the press of one button. This feature isn't included in every model, but if you have one of the cars that can do it (Genesis GV60 and Hyundai Sonata are two examples), this is an awesome feature to have.

If you have a spare car key fob, which has been programmed for your vehicle, you could make use of it in the event that you lose the original. You can also reach out to an automotive locksmith and have them create an entirely new key fob that has was programmed to your specific vehicle. Talk to your dealer to determine if a replacement keyfob is available for sale at a lower cost.


If you don't own an extra key alternative to start your car is to call an auto locksmith who will either replace your existing key fob or create an entirely new one. A dealer can also do this, but you'll need to bring your vehicle in along with evidence of ownership documents. But the good news is that these services are affordable, particularly when compared with purchasing a new key from your dealership that can cost between $200 and $250.

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Pub: 03 Oct 2024 02:07 UTC
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