Car Key Fob Repairs

Today's key fobs can do more than unlock and start cars. However, that added complexity can result in high repair bills if one of them breaks.

The positive side is that many fobs are equipped with flat-watch-style batteries that are easy to replace at home. It is possible that a reset will bring it back to life.

Battery Replacement

A dead battery is the most frequent cause of a key fob not working. This is easy to repair, and is worth trying before you go spending money on a new key fob. Simply drive your car to an auto parts store or a hardware retailer that sells button cell batteries and pick up a replacement. You can also refer to 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 for opening and replacing the battery on your particular type of fob.

Most fobs come with two halves that snap together -- you'll need to gently pull the sides apart in order to access the battery. You'll usually need a small 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 might also want to keep an eye out for small pieces that might break loose as you work.

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

Test the fob to see if it works by pushing a button. If it doesn't work, you may have an issue with your car that requires a professional to repair or replace.

Some key fobs require special tools to open and close, and the connections inside could be fragile and susceptible to corroding. In these situations the best choice is to speak with a expert or dealer. When replacing a battery, be gentle and follow your owner's manual. You might be able to locate a comparable battery at a discounter or big-box retailer but you'll have to refer to your owner's manual to ensure that it matches your car.

Replace the internal key

Most key fobs contain the physical key mechanical, but it's hidden inside the fob to keep it from being stolen. When the battery in a fob dies and the key is discarded, a blank one is left behind, which can be used to unlock doors and trunks. In some cases it is possible to start certain cars. Many people don't realize this however, they can avoid having to go to the dealership by simply replacing the fob's battery. The majority of modern fobs utilize flat-watch-style batteries which are easy to find in auto key repair parts stores and hardware shops. The right kind of battery is crucial, however. A bad battery can cause damage to the circuitry, causing the fob's failure earlier.

If you change the battery, and the issue is still there, it could be a sign something else is going on in your vehicle. Go through the owner's manual to see if there's a reset procedure that will restore the fob to factory programming. If this fails, you'll need go to a dealer or an independent shop that specializes in vehicle-security systems and key fob programming.

Fobs may also malfunction because of faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they send signals that allow you to open and start your car with the fob. You may have to move closer to your car to enable it.

It may be required for a professional to access the case of the fob in order to replace the transmitter. A simple screwdriver is usually enough to work, however some fobs require a specialized tool or equipment which can only be found at a dealer. It is a good idea to have a certified mechanic perform this task so you don't accidentally break the fob or hurt yourself.

Reprogramming the Key

A key fob that is not working could just require a new battery. Because these batteries are cheap and readily available at pharmacies and home improvement stores, it's the ideal first step before investing in a new car key fob.

Alternatively, you may be able to program the fob yourself by following the steps. This process varies between vehicle makes, so it's important to refer to the owner's manual as well as research the specifics of the model you own. For example one key fob could require that the ignition be turned on while reprogramming it. Another may require the key to be inserted and removed repeatedly.

The general procedure is very easy. Make sure the battery is securely in place. Close all doors, except the driver's door. This will ensure that the new key fob is communicating with the vehicle in a proper manner. Place the old key in the ignition, turn it ON, but don't start the engine. Next press the lock button on the fob while making sure to point it towards the transmission receiver, which is usually situated on the front of the vehicle above the mirror. The key will signal to the vehicle within a short period of time that it is being programmed. This can be done by turning the door locks or by emitting an audible chime. This is a challenging process, so pay close attention to the timing and don't press too hard the button.

If the key fob does not work after reprogramming, try using new batteries. If the issue persists, a visit to the dealer of your vehicle or locksmiths should be considered. A professional will have all the tools and equipment required to reprogram your car's fob or create a new one if needed.

Genesky says he's able to program newer fobs between $200 and $250, depending on the vehicle. Genesky has had European models turned away because they don't have the equipment needed. Fortunately, many aftermarket fobs are programmable however it's best to check with an auto dealer first to find out what the cost is.

How to get a new fob

If your key fob is beyond repair, you may require a new one. Based on the 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 but it also has the tools and software necessary to program your car correctly. Many independent locksmiths offer a new car key fob for a much lower price.

It's a good idea to try to reset your current device before you make the decision to purchase a new 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.

You should also check the owner's manual and warranty information to see whether you can obtain an alternative fob for your key. If your vehicle is under warranty or you have a electronic car key repair near me insurance policy or auto club membership that provides bumper-to-bumper coverage, you may be eligible to receive a reimbursement for the cost of a new fob.

Finding a fob is simple enough however finding the best location to do it can be tricky. You may want to visit the dealer for this service if have a newer car and you are looking to feel secure knowing that your keyfobs are working properly. If you're looking for an affordable alternative it is possible to find an independent locksmith who can provide the same service for a lower cost.

If you aren't comfortable handling this type of work yourself, a professional locksmith may be a good option. They're trained and equipped to repair or replace key fobs for cars of all kinds and do it quickly. Locksmiths is also able to visit your office or home which is convenient for many people. They can also cut and program keys on site if you've lost them. This is great for those who don't want to leave their remote car key repair without a key.