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The Best Tips You'll Ever Receive About Car Key Fob Repair
Car Key Fob Repairs

Key fobs today do a lot more than unlock and start vehicles. This extra complexity can cause costly repair costs when it fails.

It's good to know that the majority of fobs are powered by flat watch-style batteries which can be easily replaced at home. You may even find that a reset can get yours working again.

Battery Replacement

A dead battery is the most frequent cause of a key fob not working. It's a simple fix, and it's worth a try before you spend money on a new fob. Simply take your car to an auto parts store or hardware retailer that stocks button cell batteries and purchase the replacement. You can also check the owner's manual (or in the case that you don't have one, YouTube is full of videos from people who show you how to do it) for specific instructions for opening and replacing the battery on the specific type of fob you have.

You'll need to gently pry off the sides of many fobs to access the battery. You'll need a small flat-bladed screwdriver, or another tool with a thin blade. You can insert your tool into a slot on the bottom of the key fob. It is also advisable to look for tiny pieces that might break loose while you work.

Insert the new battery in the same way you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-), the markings on the battery compartment.

Check the fob to determine if it works by pushing a button. If it doesn't work, you might have an issue with your car that requires a specialist to repair or replace.

Certain key fobs require special tools to open, and the contacts inside could be fragile and easily corroded. In these situations, a car specialist or a dealer could be the best choice. When replacing a battery be patient and follow your owner's manual. You might be able locate a comparable battery at a discounter or big-box retailer but you'll have to consult your owner's manual to make sure that it's compatible with your vehicle.

Replacing the Internal Key

The majority of key fobs have the physical key mechanical however, it's hidden within the fob to stop thieves from getting. When the battery in the fob dies it will leave an internal key that is blank that is able to unlock doors and trunks (and in some cases, start certain vehicles). Most people don't realize that they can save a trip to a dealership by recharging the fob batteries. Most modern fobs use flat-watch-style batteries which are readily available in hardware stores and auto parts shops. The right kind of battery is crucial, however. The wrong type can damage the circuitry, causing the fob to fail much earlier.

If the problem continues to persist after you replace the battery, it could be an indication that something else is wrong in your vehicle. Check your owner's manual to see if there's a reset procedure that can restore the fob to factory programming. If this doesn't work, you'll have to visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.

Fobs may also fail because of faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and transmit signals that allow you to unlock and start your car using the fob. remote key fob repair may have to move closer to the car in order to enable it.

A professional might need to open the case to replace the transmitter. A simple screwdriver is enough to get the job done however, some fobs have complicated release mechanisms that require a special tool or specialized equipment that is available only through a dealer. It's a good idea to have a qualified mechanic perform this task so you don't break the fob or hurt yourself.

Reprogramming the Key

A key fob that is not functioning just requires a new battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, this is a good first step before investing in the purchase of a new car key fob.

You can also change the programming of your key fob yourself if you follow some basic steps. The procedure may differ for different vehicles, so you should consult your owner's guide and study the specific model of your vehicle. One key fob could require that the ignition be on when changing the program. Another key might require the key to be removed and inserted several times.

The basic procedure is simple. First, make sure that the new battery is firmly in place. Close all doors, except the driver's door. This will ensure that the new key fob can communicate with the vehicle properly. Then, place the old key back into the ignition and turn it to the ON position, but do not start the engine. Press the lock button while aiming the fob toward the receiver for transmission. It is usually located on the front above the mirror. In a short period of time, the key will indicate to the vehicle that it's programmed by cycling the doors' locks or emitting an emitted sound. This is a difficult process, so pay close attention to the timing and avoid pressing too hard the button.

If the key fob does not function after reprogramming, you can try using a new battery. If the issue persists, you might want to visit your local dealer or locksmith. A professional will have the tools and equipment necessary to re-program your car's fob or make an entirely new key if needed.

Genesky claims he is able to program newer fobs that range between $200 and $250, depending on the vehicle. Genesky has experienced European models turned away because he lacks the expensive equipment required. A majority of the aftermarket fobs are programmed, but always consult your local dealer to find out the price.

Finding a New Fob


If your key fob is simply beyond repair, you might need to get an alternative. Based on the make and model, the dealership or an auto locksmith may be able to assist. The dealership is likely to be the most expensive option for a replacement fob, but it will also have the tools and software needed to program your car correctly. If you're looking for a cheaper solution, many independent locksmiths can provide you with an entirely new car key fob for a more affordable price.

Before you purchase a new fob, it is a good idea to try resetting your current one. The owner's manual will outline the proper procedure for reset that is typically a series of button pushes that restores the original programming.

It's also a good idea to check your owner's manual as well as warranty information before deciding the best place to get the replacement of your key fob. If your car is under warranty or you have a car insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of a new fob.

Getting a fob is easy enough however finding the best location to do it isn't easy. If you have a relatively new car and want the security with knowing that your keys fobs are in good working order, you may be better off going to the dealership to get this service. If More methods seeking a less expensive alternative, it is possible to find a locksmith that will provide the same service for less cost.

A locksmith who is professional is a good option if you're not comfortable doing this type of work. They are trained and equipped to replace or reprogram most types of car key fobs, and often they can do it quickly. A locksmith is also able to visit your office or home which is a great option for many. They can cut keys and program them on site if you've lost them. This is ideal for those who do not want to leave their vehicle in the garage.

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