17 Signs You're Working With Car Key Fob Repair

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Car Key Fob Repairs

Key fobs today do much more than unlock and start vehicles. However, the added complexity could add up to expensive repair costs when one of them fails.

The good news is that the majority of fobs are equipped with flat-watch-style batteries that are easy to replace at home. It is possible that a simple reset is enough to make your fob work again.

Battery Replacement

The most frequent reason a key fob stops working is due to the battery being dead. This is 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 a hardware retailer that stocks button cell batteries and purchase a replacement. You can also check your owner's manual (or in the case that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions on opening and replacing the battery in the particular type of fob.

You'll have to gently pull away the sides of the majority of fobs in order to access the battery. You'll typically need a small screwdriver or a different tool with a thin, flat blade. You can put your tool into a notch on the bottom of the key fob. You may also want to keep an eye out for small pieces that may fall off while working.

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

Test the fob to see whether it is working by pressing the button. If it isn't working, there may be a problem with your vehicle that needs to be fixed or replaced by a specialist.

Certain key fobs require special tools to open, and the contacts inside may be delicate and easily corroded. In these situations, the best option is to speak with a expert or dealer. If you're looking to replace batteries, you should be very gentle and follow the instructions that are specific to the owner's manual. You may be able to locate a battery similar at a big-box retailer or discounter, however, make sure you read your owner's guide to ensure it is compatible with your car.

Replace the internal key

Most key fobs contain an actual mechanical key, but it's hidden inside the fob to prevent thieves. When the battery in the fob fails and the key is discarded, a blank one is left behind and can be used to unlock trunks and doors. In some cases, this key can even start certain vehicles. Many people don't realize this however they could avoid from a trip to the dealer by simply replacing the fob battery. Most modern fobs have flat watches-style batteries that can be found at hardware stores and auto parts shops. Using the correct type of battery is important however. The wrong type can damage the circuitry, causing the fob's failure earlier.

If you replace the battery, and the issue is still there, it could be a sign that something else is happening in your vehicle. If you have an owner's manual look for a reset procedure is available to restore the fob's factory programming. If this doesn't work, you'll have visit a dealership or a shop independent that specializes in security systems for vehicles and key fob programming.

Fobs may also fail due to faulty transmitter receivers. They are typically placed on the dashboard or next to the steering wheel, and they send signals that allow you to open and start your car with the fob. If you notice that you're being required to get closer and closer to your vehicle to be able to make it work, there's a great possibility that the transmitter is not working.

It may be necessary for a professional to access the case of the fob to replace the transmitter. A simple screwdriver is enough to do the job however some fobs come with complicated release mechanisms that require a specific tool or specialized equipment available only at a dealership. This is a job that must be handled by a qualified mechanic to avoid damaging the fob and yourself.

Reprogramming the Key

A key fob that's not working may simply need an upgrade in battery. These batteries are G28 Car Key Solutions easily found in both pharmacy and home improvement stores and are cheap. This is a great way to start before buying an entirely new key fob.

Alternatively, you may be able to re-program the fob by following some basic steps. This process can vary between automobiles, so consult your owner's guide and research your specific model. For example, one key fob may require the ignition to be turned on while reprogramming it. Another might need the key to be removed and inserted repeatedly.

The basic procedure is simple. First, make sure that the new battery is in place. Close all doors, except the driver's door. This will ensure that the new key fob communicates with the vehicle correctly. Insert the old key into the ignition, turn it on but don't start the engine. Press the lock button while aiming the fob toward the receiver for transmission. This is typically located on the front, above the mirror. In a short period of time the key will announce to the vehicle that it's being programmed by turning off the doors' locks or emitting an emitted sound. This procedure can be difficult so it's essential to be aware of the timing and not to over-press the key button.

If the key fob doesn't work, try reprogramming it again with fresh batteries. If the problem persists you might want to visit your car dealer or locksmith. A professional will have the tools and equipment necessary to re-program your car's fob, or create the key if required.

Genesky claims he is able to program newer fobs ranging from $200 and $250, based on the vehicle. However, he's had the need to refuse customers with European models because he doesn't have the expensive equipment they require. Fortunately, many aftermarket fobs can be programmed however it's best to check with the dealer of your choice first to find out what their price is.

How to get a new fob

If your key fob is simply damaged beyond repair, you could need to purchase a new one. Depending on your vehicle's model and make, an auto locksmith or dealership may be able help. The dealership is likely to be the most expensive choice for a replacement fob however, it will also have the tools and software needed to program your car correctly. For a more affordable solution, a variety of locksmiths will be able to provide you with an entirely new car key fob for a more affordable cost.

Before you rush to get a new fob, it is recommended to consider resetting your current one. Your owner's manual should outline the proper procedure for reset which is typically a series of button pushes that reset the factory settings.

You should also check your owner's guide and warranty information to see if you can get a replacement key fob. If your car's warranty is still active or you have an auto club or car insurance policy that covers bumper to bumper you could qualify for a reimbursement on the cost of replacing the fob.

Finding a fob is simple enough, but finding the right place to have it done can be tricky. If you own a new car and want the peace of mind that comes from knowing that your key fobs are in good working condition, you may be better off visiting the dealership to get this service. However, if you're looking for an affordable alternative it is usually possible to find a locksmith independent who can offer the same services for a significantly lower price.

A locksmith who is professional is a great choice if you're not comfortable doing this type of work. They are trained and equipped to repair or replace most types of car key fobs and they can often complete the task quickly. In addition, a locksmith will often visit your office or home to do the job, which can be very useful for certain people. They can also cut and program keys on site if you've lost keys. This is perfect for those who don't want to leave their vehicle unattended.