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Car Key Fob Repairs

Key fobs today can do more than unlock and start cars. However, the added complexity could cause costly repairs in the event that one of them malfunctions.

The good news is that most fobs use flat watch-style batteries that are easy to replace at home. It is possible that a simple reset will allow your fob to function again.

Battery Replacement

The most frequent reason a key fob stops working is due to the battery being dead. This is easy to repair, and is worth trying before you decide to spend money on a new key fob. Take your car to an auto parts store or hardware retailer that stocks button cell batteries and purchase a replacement. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery inside your fob.

You'll need to gently pull apart the sides of most fobs in order to access the battery. You'll need a small, flat-bladed screwdriver, or another tool with a thin blade. It's a good idea to look for a notch on the lower edge of the fob that you can put your tool in between. It is also advisable to keep an eye out for small pieces that could be loosened while working.

When you have your new battery, you can insert it in the same manner that you removed the previous one. Make sure the positive (+) side is facing upwards toward the buttons, and that the negative (-) side of the battery is aligned with the markings inside the battery compartment of your fob.

Test the fob to see whether it functions by pressing the button. If it doesn't work, there may be a problem with your vehicle that requires to be fixed or replaced by a professional.

Some key fobs require special tools to open, and the contacts inside can be fragile and easily corroded. In these cases, a car specialist or dealer may be your best option. When replacing a battery, be patient and follow your owner's manual. You might be able to find a battery similar at a big-box retailer or discounter, but be sure you read the owner's manual to make sure that it's compatible with your car.

Replace the internal key

To protect against theft, the majority of key fobs come with an electronic key fob repair service inside. If the battery inside the fob goes out, a blank key is left behind and can be used to open trunks and doors. In some instances the key could even start certain vehicles. The majority of people do not realize that they can avoid a trip to a dealership by recharging the fob batteries. Most modern fobs use flat-watch-style batteries which are easy to find at auto parts stores and hardware shops. It is crucial to choose the correct kind of battery. A bad battery can cause damage to the circuitry, causing the fob's failure much sooner.

If you replace the battery and find the issue persists, it could be an indication that something else is happening with your car key fob repair. Review the owner's manual of your vehicle to determine if there's a reset procedure that can restore the fob to the factory program. If this doesn't work you'll have to visit a dealer or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs can also malfunction because of faulty transmitter receivers. These are usually located close to the steering wheel, or on the dashboard. They transmit signals to enable you to unlock your car and start it with the fob. If you notice that you're required to move closer and closer to your car in order to make it work, there's a great chance the transmitter is failing.

A professional may need to open the case of the fob to replace the transmitter. A simple screwdriver will usually do the trick, but certain fobs require a specific tool or special equipment that can only be purchased at a dealer. It's best to have a certified mechanic perform this task so you don't break the fob or hurt yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working simply requires a new battery. Since these batteries are inexpensive and readily available in pharmacies and home improvement stores, it's an excellent first step prior to buying the purchase of a new car key fob.

Alternately, you might be able to reprogram the fob by following some basic steps. The procedure varies for different vehicle makes, so it's important to read the owner's manual and study the specifics of your model. For example the key fob might require the ignition to be turned on while reprogramming it. A key fob might require the key to be inserted multiple times.

The basic procedure is easy. First, ensure that the new battery is in place. Then, get into the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure the new fob is communicating with the vehicle in a correct manner. Put the old key in the ignition, Car Key Fob Repair turn it ON but do not start the engine. Press the lock button while aiming the fob at the transmission receiver. This is typically located on the front, above the mirror. The key will inform the vehicle within a brief amount of time that it is being programmed. This can be done by turning the door locks or by emitting an audible chime. This can be a difficult process and it's crucial to be attentive to the timing and don't over-press the key button.

If the key fob still doesn't work Try reprogramming it with fresh batteries. If the problem persists you should visit the dealer of your vehicle or a locksmith is a good idea. A professional locksmith will have the tools and equipment required to reprogram the car fob, or even create a brand new one if necessary.

Genesky says he's able to program newer fobs for $200-$250, based on the vehicle. However, he's had to turn away customers with European models because they don't have the costly equipment required. Most aftermarket fobs can be programmed, but you should always inquire with your local car dealer to determine the price.

Finding a New Fob

If your key fob can't be fixed, you could need to buy another one. Depending on the brand and model, a dealership or an auto locksmith might be able to help. The dealership is likely to be the most expensive choice to replace your fob, but it also has the tools and software needed to program your car properly. Many locksmiths in independent shops offer a new car key fob at the lower cost.

Before you purchase a new fob it's an excellent idea to try resetting your current one. Your owner's manual should outline the correct procedure for reset which is typically a series of button pushes that restores the original programming.

It is also recommended to check the owner's guide and warranty information to determine whether you can obtain an additional key fob. If your vehicle's warranty is in good standing or you have an auto club or insurance policy that covers bumper to bumper you could qualify for a reimbursement on the cost of a replacement fob.

Finding a fob is simple enough however finding the best place to have it done can be a challenge. If you have a relatively new car and would like the peace of mind that comes from knowing that your key fobs are in working order, you may prefer going to the dealership for this service. However, if you want a more affordable option, it is often possible to find an independent locksmith who can provide the same service at a much lower cost.

If you're not confident handling this type of work on your own A professional locksmith could be a great choice. They are equipped and trained to change or reprogram key fobs for cars of all kinds, and can do so quickly. A locksmith can also visit your house or office which is a great option for many. They can even cut and program keys on the spot in case you've lost keys, which is great for those who prefer not to leave their vehicles unattended.