Car Key Fob Repairs

Key fobs of today can do more than unlock and start cars. But that extra complexity can result in expensive repair costs when one of them fails.

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

Battery Replacement

A dead battery is the most common cause of a key fob that isn't working. It's easy to solve and is worth a try before you purchase the replacement fob. You can pick up the new button cell at your local auto part retailer or hardware store If you own one. You can also refer to your owner's manual (or, if you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions on opening and replacing the battery on the particular type of fob.

You'll need to gently pull apart the sides of most fobs to access the battery. It's usually a screwdriver or some other tool with a thin, flat blade. You can put your tool into a notch at the bottom of the key fob. You may also want to keep an eye out for small pieces that may come loose while working.

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

Press a button to test the fob. If it doesn't work, you may have an issue with your vehicle that requires a professional to repair or replace.

Certain key fobs require special tools to open and close them, and the contacts inside could be fragile and susceptible to corroding. In these instances you should consult a specialist in your car key fob repairs near me or a dealer could be your best option. If you need to replace a battery, try to be very gentle and adhere to the specific instructions in your owner's manual. You might be able to find a similar battery at a discounter or a big-box retailer, but you'll need to check the owner's manual to make sure that it's compatible with your vehicle.

Replace the internal key

To protect against theft, the majority of key fobs come with an internal mechanical key that is hidden within. When the fob battery dies it leaves an internal key that is blank that is able to unlock doors and trunks (and in some cases, even start certain vehicles). Many people don't realize this however, they can save from a trip to the dealer by simply replacing the fob's battery. The flat watch-style battery is found in most modern fobs. They can be found at hardware stores and auto parts stores. It is essential to choose the correct kind of battery. A wrong battery can harm the circuitry, causing the fob to fail much earlier.

If you try replacing the battery, and the problem persists it could be a sign something else is going on in your vehicle. If you have an owner's guide look for there is a reset option available to restore the fob's original programming. If this doesn't work, you'll need to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs may also malfunction 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 using the fob. You may need to get closer to your car to make it work.

A professional might have to open the fob's case to replace the transmitter. A simple screwdriver is usually enough to work, however some fobs require a specialized tool or special equipment that can only be found at a dealer. This task must be handled by a certified mechanic in order to avoid damaging the fob and yourself.

Reprogramming the Key

A key fob that is not working might just need an upgrade in battery. These batteries are readily available in both pharmacy and home improvement stores and are affordable. This is a great method to start before you purchase an entirely new key fob.

You may also be able to reprogram the fob yourself by following the steps. This process can vary between vehicles, so it is recommended to read the owner's manual and research the model you have. One key fob could require the ignition to be turned on while programming. One key fob could require the key to be inserted multiple times.

The general procedure is very easy. Make sure that the battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob communicates with the vehicle in a proper manner. After that, put the old key back in the ignition and turn it to the ON position, but don't start the engine. Press the lock button while aiming the fob towards the receiver of the transmission. This is usually located on the front above the mirror. Within a short time frame, the key will indicate to the vehicle that it's programmed by cycling the doors locks or emitting the sound of a chime. This procedure can be difficult and it's crucial to pay attention to the timing and to not over-press the key button.

If the key fob doesn't work after reprogramming, try using new batteries. If the issue persists then a visit to your car dealer or locksmiths should be considered. A professional locksmith will have the tools and programming equipment needed to reprogram your car's fob or clone an entirely new key if required.

Genesky says he can usually program newer fobs for around $200 to $250, based on the vehicle. He's experienced European models rejected due to the fact that they don't have the equipment needed. Fortunately, many aftermarket fobs can be programmed but it's always best to check with the dealer of your choice first to determine the price.

How do I get a new fob

If the key fob you have cannot be fixed, you could have to purchase an entirely new one. Depending on your vehicle's make and model, an auto locksmith or a dealership may be able to help. The dealership is likely to be the most expensive option for a replacement fob, but it also has the tools and software required to program your car key fob repairs correctly. For a more affordable option, a number of independent locksmiths can provide you with new car keys for a much more reasonable cost.

Before you rush to get an entirely new device it's recommended to consider resetting your current one. The owner's manual will outline the proper procedure for reset that is typically pushing a few buttons which restores it to factory programming.

It is also recommended to check your owner's guide and warranty information to determine if you can get an alternative fob for your key. If your car key and repair's warranty still active or you have an auto club or insurance policy that covers bumper-to-bumper, you may qualify for a reimbursement of the cost of a replacement fob.

Finding a fob is simple enough however, finding the right place to have it done can be tricky. You may want to go to the dealer for this service if have a newer vehicle and you are looking to feel secure knowing that your key fobs are functioning properly. However, if you want an option that is more affordable it is usually possible to find an independent locksmith who can offer the same services for a lower cost.

If you're not confident handling this type of work yourself, a professional locksmith can be a great choice. They are trained and equipped to replace or reprogram keys for cars of all types and do it quickly. Locksmiths can also visit your office or home which is convenient for a lot of people. They can even cut and program keys on-site if you have lost keys, which is great for those who prefer not to leave their cars in the dark.