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Car Key Fob Repairs

Key fobs today are more than just a way to unlock and start vehicles. However, that added complexity can cause high repair bills when one of them fails.

The good news is that most fobs use flat watch-style batteries that are easy to replace at home. You may find that a simple reset will make your fob work again.

Battery Replacement

The most common reason a key fob stops working is due to an inoperative battery. It's simple to fix and worth trying before you spend money on a replacement fob. You can buy the new button cell at your local auto part retailer or hardware store in the event that you already have one. You can also refer to your owner's guide (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery inside your fob.

You'll have to gently pull off the sides of many fobs in order to access the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a thin blade. You can wedge your tool into a notch on the bottom of the key fob. You might also want to be on the lookout for small pieces that could come loose while you work.

When you have your new battery, place it the same way that you removed the old one. Make sure that 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.

You can push a button to test the fob. If it doesn't, there could be an issue with your vehicle that requires a specialist to repair or replace.

Certain key fobs can be difficult to open and their contacts may be fragile and easily damaged. In these situations an expert in the field or a dealer could be the best option. If you're in need of replacing the battery, make sure to be very gentle and follow the specific instructions in your owner's manual. You might be able find a similar battery at a discounter or a big-box retailer but you'll have to check the owner's manual to make sure that it's compatible with your vehicle.

Replacing the Internal Key

Most key fobs include a physical mechanical key that is hidden within the fob to keep it from being stolen. If the battery of the fob fails it leaves an internal key that is blank that is able to unlock trunks and doors (and in some cases, start certain vehicles). Most people aren't aware of this, but they can avoid from a trip to the dealer by simply replacing the fob's battery. The majority of modern fobs utilize flat watches-style batteries that can be found at hardware stores and auto parts shops. Choosing the right type of battery is important however. A bad battery can cause damage to the circuitry, causing the fob's failure earlier.

If you replace the battery and find the problem persists it could be a sign something else is wrong in your vehicle. Review the owner's manual of your vehicle to determine if you have a reset procedure that can restore the fob's factory programming. If this doesn't help, you'll need to visit 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 located close to the steering wheel, or on the dashboard. They transmit signals to enable you to unlock your vehicle and start it using the fob. If you're having to get closer and closer to your vehicle in order to make it work, there's a good chance the transmitter is failing.

It might be necessary for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver can usually work, however certain fobs require a specific tool or equipment that can only be found at a dealership. It's best to have a certified mechanic handle this job to ensure you don't accidentally break the fob or injure yourself.

Reprogramming the Key

Most of the time, a key fob that isn't working just requires a new battery. They are easily available in home improvement and pharmacy stores and are inexpensive. This is a good method to start before you purchase the new key fob.

You may also be able to reprogram the fob yourself by following the steps. This process varies between vehicle manufacturers, so it is important to read the owner's manual and research the specifics of your particular model. For instance the key fob might require the ignition to be switched on while reprogramming the key. A key fob might require the key to be inserted multiple times.

The basic procedure is simple. Make sure the battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure that the new fob is communicating with the vehicle in a correct manner. Place the old key in the ignition, turn it on, but do not start the engine. Next press the lock button on the fob, while making sure to point it towards the transmission receiver, which is typically located on the front of the vehicle above the mirror. In a short period of time, the key will indicate to the vehicle that it's been programmed by cycling the doors' locks or emitting an emitted sound. This can be a difficult process, so it's important to be aware of the timing and not to over-press the key button.

If the key fob won't work after reprogramming it, try using a new battery. If the issue persists, a visit to the dealer of your vehicle or a locksmith is a good idea. A professional will have the tools and equipment to reprogram your car's fob, or create a new key if it's needed.

Genesky says he's able to program newer fobs for around $200-$250, depending on the vehicle. But he's had to turn down customers who have European models due to the fact that there's no equipment required. Fortunately, most aftermarket fobs can be programmed but it's always recommended to consult an auto dealer first to find out what the cost is.

How do I get a new fob

If your key fob cannot be repaired, you may require another one. Depending on your vehicle's make and model, an auto locksmith or a dealership might be able to assist. The dealership is likely to be the most expensive option for a fob replacement however, they'll have all the required tools and software to program your vehicle correctly. Many locksmiths in independent shops offer a brand new car key repair cost key fob at an affordable price.

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

It is an excellent idea to read your owner's manual as well as warranty information prior to deciding where 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 with bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of the new fob.

Finding a fob is simple enough however, finding the right location to do it can be tricky. If you have a relatively new vehicle and you want the peace of mind that comes with knowing that your key fobs are in working order, you may be better off visiting the dealership for this service. If you're looking for an option that is more affordable, it is often possible to find an independent locksmith who can provide the same services for a significantly lower price.

A professional locksmith is a good option If you're not confident doing this type of work. They are equipped and trained to change or reprogram car remote key repair shop near me key fobs of all types and do it quickly. Additionally, locksmiths will often visit your workplace or home to do the job which can be extremely useful for certain people. They can even cut and program keys on the spot in case you've lost keys, which is ideal for those who don't like to leave their vehicles unattended.