How to Repair a Car Key Fob
The key fob is jostled around a lot, which means the buttons could get stuck or broken. Try giving it a good clean and replacing the battery, if necessary.
Most cars are equipped with a coin-style battery that you can buy from pharmacies and big box stores, as well as home improvement stores. However, some models require special programming equipment that only dealers have.
Dead Battery
The car key fob can make it easier to start your car and then get it started. What happens if you press the button several times, but nothing happens? The most frequent reason for this is an unresponsive battery. Fortunately, the battery is simple to replace. You can find replacements in auto parts stores, supermarkets and even some home improvement stores.
However, some of the other features that the key fob has may not work. This could be because of a mechanical problem, an internal electrical issue or even a malfunctioning deprogramming in the car's receiver. In these situations, it's probably best to call a professional.
Most manufacturers have an electronic slot inside the fob for use in case of dead cells. In most instances, a cover is put on the handle of the fob to conceal the key slot. The key's physical form can be put into the slot which will allow you to open your door and start your vehicle. Make sure to insert the key fob when you start your vehicle!
If you have a Ford equipped with SYNC Connect you can also start the car using the key fob. Most SYNC Connect equipped Ford vehicles come with an alternative "E-blade" inside the cupholder. It is a mechanical key that can be used to press the starter button, should your key fob fails to start the car. To make the most of this feature, make sure that the car battery is fully charged and that you read your owner's manual to learn what the procedure.
If your car is still having problems after replacing the battery on your key fob, you may need to contact an expert locksmith or your dealer to get the fob or battery repaired. In certain cases the new battery could be used to program the key fob in your car at the dealership or choose Interstate All Battery Center stores. However, this is only possible when the circuit board and antennas have not been damaged.
Damaged Buttons
Over the course of time your car key fob's buttons are bound to see many wear and wear and tear. They're susceptible to droppings and also are often being tossed around in purses and pockets. This could cause internal components to get damaged or loose, which will cause them to not respond to your press. A few simple steps can usually fix this problem, but occasionally, you might require taking your fob to a professional locksmith.
The most common reason for a car keyfob that isn't working is that the batteries are dead. These small, coin-shaped batteries can be found at a majority of hardware stores as well as large-box retailers. They are inexpensive. You can also find videos on YouTube and in your owner's manual that explain how to replace the battery in your key fob.
It's important to note that some keyfobs need an exact procedure to enter the appropriate programming mode to replace the batteries. In these cases you'll need to read the owner's manual or an auto locksmith to make sure that you follow the proper procedure.
If you leave your key fob in extreme cold or hot temperatures can also cause it to cease working in particular in the event that the battery has gone out. In this case, you'll need to consult an automotive locksmith or your dealer for the replacement fob.
If your key fob's buttons 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. You can attempt to fix this by taking the key fob apart and placing a piece of metallic tape over the worn-out contacts.
It's important to note that certain key fobs can be extremely tricky to open and can't be opened safely without specialized equipment that is only accessible at a dealer. If you try to open it using an screwdriver, or any other tool, you may end in causing damage to the internal circuit board. This could lead to an even more costly repair bill.
Circuit Board Issues
If your key fob is still able to unlock your car's doors and start your engine but it's not working as far as it used to, the problem may be with the circuit board. The circuit board is an electronic chip in the case that transmits signals to your car, telling it whether or not to shut your doors, open the trunk, or turn off your ignition. If the circuit board is damaged the key fob will not be able to send these signals.
If you have the technical know-how you can fix a damaged circuitboard yourself. Begin by taking the battery off and separating the rubber button and holder assembly from the circuit board. Make use of a cotton swab or some rubbing alcohol to clean around the contacts and the plastic frame. This should remove any corrosion that has stopped the circuit board from transmitting signals.
Once you've reassembled your key fob, check whether it's in programming mode. Refer to the owner's manual for instructions. A lot of car manufacturers have videos online that demonstrate how to accomplish this. If you're not confident enough to tackle it yourself, you can bring your key fob to a locksmith that specializes in your vehicle's model.
Some of the newer key fobs come with an integrated receiver that allows you open your trunk, lock your doors and turn on your ignition from an extended distance. These are generally more reliable and operate over a wider range. If your latest key fob isn't working as well as it did in the past, it could have an issue with the antenna or other issue within the internals.
If you can't get your key fob to function the most likely reason is an inoperative battery. It is cheap and easy to replace. But if the fob's buttons or circuit board are damaged, you'll have to have it professionally repaired and reset. Most dealerships provide this service, but you can also find a service that specializes in your car's brand.
Forgotten Key
If you've lost your car key fob, it could be a nightmare. It's possible to turn your house upside down and retrace your steps and searching all over, including in drawers, bags, under couches, and even under your cat's bed. You'll eventually find it. But the best way to prevent losing your key fob is to taking preventative measures. If you've got even a touch of minor ADD or just forgetful, make several copies and hand them out to your close family and friends members, so that when you lose yours, you don't spend 4 hours covered in sweat and cursing yourself for the rest of your life.
A lot of cars come with key fobs that let you to lock and unlock the doors, and in some instances activate the alarm system or open the trunk. Some of the more advanced models offer even cooler features, like the ability to call your car's location by pressing a button. This feature isn't in every model but if you own 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 an extra car key fob that has been programmed to your vehicle, you could use it in the event you lose your original. repair car keys can also talk to an automotive locksmith and request them create the new key fob which has been programmed to your specific vehicle. However, before doing this consult with your dealer to determine if they are able to offer an alternative key fob at a lower price.
If you don't have an extra key, the only method to get your car started is to contact an auto locksmith to come out and either cut a new key or replace the current key fob with blank. Dealers can also do this, but you'll need to have your car towed in and provide proof of ownership papers. These services are fairly inexpensive, especially when compared to the cost of a replacement key at your dealer.