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Car Key Fob Repairs

Key fobs today do a lot more than simply unlock and start vehicles. This added complexity can cause costly repair costs in the event that it malfunctions.

It's good to know that the majority of fobs are powered by flat watch-style batteries, Car Key Fob Repairs which can be replaced at home. And you may find that a reset can bring it back to life.

Battery Replacement

A dead battery is the most frequent reason for a key fob that isn't working. It's easy to solve and is worth a try before you invest in an alternative fob. You can purchase an additional button cell battery at your local auto parts retailer or hardware store if you have one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery in your fob.

You'll need to gently pull apart the sides of most fobs to access the battery. You'll require a small flat-bladed screwdriver, or another tool with a small blade. You can insert your tool into a notch at the bottom of the key fob. It is also advisable to look for small pieces that could be loosened while working.

Once you have your new battery, place it in the same manner that you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-), the markings on the battery compartment.

Push a button to test the fob. If it fails, it might be a problem with your car that needs to be fixed or replaced by a professional.

Certain key fobs can be difficult to open, and the contacts may be brittle and easily corroded. In these situations the best solution is to talk to a expert or a dealer. If you're in need of replacing a battery, try to be very gentle and follow the specific instructions in the owner's manual. You might be able find a similar battery at a discounter store or a big-box retailer but you'll have to consult your owner's manual to ensure that it matches your car.

Replacing the Internal Key

The majority of key fobs have a physical mechanical key, but it's hidden inside the fob to keep it from being stolen. When the fob battery dies it leaves an internal key that is blank which can open doors and trunks (and in some cases start certain vehicles). Most people don't realize that they can avoid a trip to a dealership by replacing the fob's batteries. Most modern fobs have flat watches-style batteries that can be found in auto parts stores and hardware shops. The right kind of battery is crucial however. A wrong battery can harm the circuitry, causing the fob's failure much sooner.

If the problem persists after you replace the battery, it may be an indication that there is something else going on in your vehicle. Check your owner's manual to determine if you have a reset procedure that can bring the fob back to factory programming. If this doesn't help, you'll need to go to a dealership or an independent shop that specializes in vehicle-security systems and fob programming.

Fobs may also malfunction due to malfunctioning transmitter receivers. These are usually built into the dashboard or next to the steering wheel, and they transmit signals that allow you to open and start your car with the fob. You may have to move closer to your car to get it to work.

A professional may need to open the fob's case to replace the transmitter. A simple screwdriver can usually do the job however, some fobs have complicated release mechanisms that require a specialized tool or specialized equipment that is available only at a dealership. It's a good idea to have a certified mechanic handle this job to ensure you don't accidentally break the fob or cause injury to yourself.

Reprogramming the Key

A key fob that's not working might just need an upgrade in battery. These batteries are easily found in home improvement and pharmacy stores and are affordable. This is a good method to start before you purchase an entirely new key fob.

Alternately, you might be able to program the fob yourself by following the steps. The process is different for different vehicles makes, so it's important to refer to the owner's manual and research the specifics of your particular model. For instance one key fob could require that the ignition be turned on while reprogramming it. One key fob could require the key to be inserted several times.

The procedure is easy. First, make sure that the new battery is in place. Then, get into the driver's seat and close all doors, with the exception of the driver's side door. This will ensure that the new key fob can communicate with the vehicle properly. Place the old key in the ignition, turn it on but do not start the engine. Then press the lock button on the fob while aiming it at the transmission receiver, which is typically located in the front of the car above the mirror. The key will signal to the vehicle within a brief amount of time that it is being programmed. This can be done by turning off the door locks or emitting an audible chime. This process can be tricky so it's essential to be attentive to the timing and to not over-press the key button.

If the key repair car fob doesn't work after reprogramming, try using a new battery. If the issue isn't resolved, a visit to the dealer of your vehicle or locksmiths should be considered. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or make a new key if it's needed.

Genesky says he can usually program newer fobs at around $200-$250, depending on the car. He's had European models rejected due to the fact that he lacks the expensive equipment needed. A majority of the aftermarket fobs are programmed, but always check with your local car dealer to find out the price.

Getting a New Fob

If your key fob can't be repaired, you may need to buy a new one. Depending on the brand and model, a dealership or an auto locksmith may be able to assist. The dealership is likely to be the most expensive choice for a replacement fob but it will also have the tools and software required to program your car properly. Many locksmiths in independent shops offer a brand new car key fob at an affordable price.

It is a good thing to try to reset your current device before you decide to buy another one. The owner's manual should outline the correct procedure for reset. This is usually the result of a series of button presses that reset the factory program.

It is an excellent idea to check the owner's manual and warranty information before you decide which place to go for an replacement fob for your key. If your vehicle is under warranty or you have a car insurance policy or auto club membership that provides bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of the new fob.

The process of getting a fob can be simple enough however, finding the right location to get it done can be tricky. You may want to visit the dealer to get this service if you have a newer car and you want to be confident that your key fobs are functioning correctly. If you are seeking a less expensive alternative, it is possible to find a locksmith who will offer the same service at an affordable cost.

If you're not confident handling this type of work on your own, a professional locksmith can be a great option. They are trained and equipped to reprogram or replace the majority of car key fobs and often, they can do it quickly. A locksmith is also able to visit your house or office which is convenient for a lot of people. They can even cut and program keys on the spot if you have lost them, which is ideal for those who do not want to leave their cars unattended.