Car Key Fob Repairs

Key fobs today do much more than just unlock and start vehicles. This extra complexity can lead to expensive repair bills when it fails.

It's a good idea 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 will make your device work again.

Battery Replacement

A dead battery is the main reason for a key fob that isn't working. It's a simple fix, and it's worth a try before you go spending money on a new key fob. Simply drive your car to an auto parts store or hardware retailer that stocks button cell batteries and pick up the replacement. You can also check the owner's manual (or, if 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 the specific type of fob you have.

You'll need to gently pry apart the sides of most fobs in order to access the battery. You'll typically need a small screwdriver or another tool that has a flat, thin blade. It might help to look for a groove along the bottom of the fob which you can place your tool between. You might also want to be on the lookout for small pieces that could fall off while working.

When you have your new battery, insert it the same way that you removed the previous one. The positive (+) side should face the buttons and the reverse (-), the markings on the battery compartment.

Test the fob to see if it works by pushing a button. If it doesn't work, there could be a problem with your car that requires a specialist to fix or replace.

Certain key fobs can be difficult to open and their contacts may be fragile and easily damaged. In these situations, a car specialist or dealer may be your best option. When replacing a battery, be gentle and follow the owner's instructions. You may be able to find a similar battery at a discounter or a big-box retailer however, you'll need to consult your owner's manual to make sure that it's the right one for your vehicle.

Replace the internal key

Most key fobs contain a physical mechanical key however, it's hidden within the fob to stop thieves from getting. When the fob battery dies, it leaves behind a blank internal key which can open doors and trunks (and in some cases, start certain cars). Many people don't realize this however, they can save themselves having to go to the dealership by simply replacing the fob battery. The flat watch-style batteries are used in most modern fobs. These batteries are easily found in hardware and auto parts stores. It is important to use the correct kind of battery. The wrong type can damage the circuitry and cause the fob's failure much sooner.

If the issue persists after replacing the battery, it could be a sign that there is something else going on with your vehicle. Check your owner's manual to determine if there's a reset procedure that will restore the fob to the factory program. If that doesn't help you'll have to visit a dealership or an independent shop that specializes in vehicle-security systems and fob programming.

Fobs can also fail because of faulty transmitter receivers. They are usually found close to the steering wheel, or on the dashboard. They transmit signals that enable you to unlock your car and vehicle start it with the fob. It is possible that you will need to get closer to your car to make it work.

A professional may need to open the case to replace the transmitter. A simple screwdriver will usually suffice, but certain fobs require a special tool or equipment that can only be found at a dealer. It's best to have a certified mechanic perform this task so you don't damage the fob or cause injury to yourself.

Reprogramming the Key

A key fob that is not working could just require an upgrade in battery. Because these batteries are cheap and readily available at pharmacies and home improvement stores, it's an excellent first step prior to buying the purchase of a new car key fob.

You can also reprogram your key fob on your own If you follow a few basic steps. The procedure varies for different vehicle makes, so it's important to consult your owner's manual as well as research the specifics of your model. One key fob might require that the ignition be turned on while programming. One key fob may require the key to be inserted several times.

The basic procedure is easy. Make sure the battery is securely in place. Then, get into the driver's seat, and close all doors EXCEPT for the driver's side 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. It is usually located on the left side, just above the mirror. The key will notify the vehicle within a short period of time that it is being programmed. This can be done by cycling the door locks or emitting an audible chime. This is a challenging procedure, so pay attention to the timing and don't press too hard the button.

If the key fob doesn't work after reprogramming, try replacing the batteries. If the issue persists, a visit to the dealer of your vehicle or a locksmith is a good idea. A professional will have all the tools and equipment required to reprogram your car's fob or create a new one, if required.

Genesky says he's able to program newer fobs for $200-$250, based on the model of vehicle. Genesky has been denied European models rejected because there isn't the equipment needed. Luckily, the majority of aftermarket fobs can be programmed, but it's always recommended to consult the dealer of your choice first to see the price.

How do I get a brand new fob

If your key fob is simply beyond repair, you might need to get an alternative. Depending on the make and model, a dealership or an auto locksmith might 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 necessary to program your car properly. Many locksmiths in independent shops offer a brand new car key fob for the lower cost.

It's a good idea to try to reset the fob you have before you rush out to buy a new one. The owner's manual should explain the correct procedure for reset that is typically the pushing of a button that restores it to factory programming.

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

Finding the best where to repair car key remote to purchase a fob can be a challenge. If you have a relatively new car and want the security with knowing that your key fobs are in good order, you may be better off visiting the dealership for this service. If you're looking for a more affordable alternative, it is possible to find a locksmith that will offer the same service at an affordable cost.

A locksmith who is professional is a great option if you're not comfortable doing this type of work. They're trained and equipped to repair or replace car key fobs of all kinds and can do it quickly. A locksmith can also come to your house or office which is a great option for many people. They can even cut and program keys on the spot if you have lost keys, which is great for those who don't like to leave their cars in the dark.