Check Out: How Car Key Fob Repair Is Taking Over And What We Can Do About It

Car Key Fob Repairs

Key fobs today do a lot more than unlock and start vehicles. This added complexity could cause costly repair costs if it breaks.

The good news is that most fobs are equipped with flat-watch-style batteries that are simple to replace at home. It is possible that a reset will get yours working again.

Battery Replacement

The most frequent reason that a key fob doesn't work is because of a dead battery. It's easy to solve and is worth a try before you spend money on the replacement fob. Simply drive your car to a local auto parts store or a hardware retailer that carries button cell batteries and purchase an alternative. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery in your fob.

Most fobs come with two halves that snap togetherYou'll need to break the sides to get to the battery. You'll usually need a small screwdriver or a different tool equipped with a thin, flat blade. You can wedge your tool into a slot on the bottom of the key fob. You might also want to be on the lookout for small pieces that may fall off while working.

Once you have the new battery, you can insert it in the same way that you removed the old one. The positive (+) side should face the buttons and the negative (-) the marks on the battery compartment.

Test the fob to see whether it functions by pressing the button. If it doesn't, there could be an issue with your car that requires a professional to fix or replace.

Some key fobs require special tools to open and close, and the connections inside can be fragile and Key Fob Repairs susceptible to corroding. In these cases, the best option is to consult a car expert or dealer. When replacing a battery, be gentle and follow the owner's manual. You may be able to locate an identical battery at a big-box store or discounter, but be sure to check your owner's guide to ensure it's compatible with your car key fob repair service.

Replacing the Internal Key

To guard against theft, many key fobs have a mechanical key hidden inside. When the battery in the fob goes out it will leave a blank key left behind and can be used to unlock doors and trunks. In some cases it is possible to start certain vehicles. A majority of people don't realize that they can save a trip to a dealership by recharging the fob batteries. The flat watch-style batteries are used in most modern fobs. They can be found at auto parts stores and hardware stores. Choosing the right type of battery is essential, however. The wrong type can damage the circuitry, causing the fob's failure much sooner.

If you change the battery, and the problem persists it could be a sign that something else is wrong with 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 fails, you'll need visit a dealership or a shop independent that specializes in security systems for vehicles and key fob programming.

Fobs can also malfunction because of faulty transmitter receivers. These are usually located close to the steering wheel, or in the dashboard. They transmit signals to allow you to unlock your vehicle and start it using the fob. If you notice that you're being required to get closer and closer to your vehicle to get it to work, there's a good chance that the transmitter isn't working.

A professional might have to open the fob's case to replace the transmitter. A simple screwdriver is usually enough to suffice, but certain fobs require a specific tool or a special piece of equipment that can only be purchased at a dealer. It is a good idea to have a qualified mechanic do this job so that 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. Because these batteries are cheap and easily available at pharmacies and home improvement stores, it's a good first step before purchasing an entirely new car key fob.

Alternatively, you may be able to program the fob yourself by following the steps. The procedure varies for different vehicle manufacturers, so it is important to consult your owner's manual and research the specifics of your particular model. One key fob might require that the ignition switch be on when programming. One key fob could require the key to be inserted multiple times.

The basic procedure is simple. First, make sure the new battery is securely in place. Then, sit in the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure the new key is communicating with the vehicle properly. Then, put the old key back in the ignition and switch it to the ON position, but don't start the engine. Then press the lock button on the fob, while looking at the transmission receiver, which is usually located in the front of the vehicle above the mirror. In a short period of time the key will signal to the vehicle that it's being programmed by turning off the doors' locks or emitting a chime. This procedure can be difficult, so it's important to be attentive to the timing and don't over-press the key button.

If the key fob doesn't work, try reprogramming it again with fresh batteries. If the issue persists you should visit your car dealer or a locksmith should be considered. A professional locksmith will have the tools and equipment necessary to re-program your car's fob or make the key if needed.

Genesky says he's able to program newer fobs at around $200 to $250, based on the model of vehicle. However, he's had the need to turn away customers with European models because he doesn't have the expensive equipment required. Fortunately, many aftermarket fobs are programmable but it's always recommended to consult an auto dealer first to see what the cost is.

How to get a new fob

If your key fob is beyond repair, you may 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 but it will also have the tools and software needed to program your car correctly. Many independent locksmiths provide a new car key fob at an affordable price.

It is a good thing to attempt to reset your current fob before you decide to buy an entirely new one. The owner's guide should explain the correct procedure for reset. It is typically the result of a series of button presses which restores the factory settings.

You should also look over the owner's manual and warranty information to determine whether you are eligible for a replacement fob for your key. If your car's warranty is still in effect or you have an auto club or car insurance policy that covers bumper to bumper you could be eligible to receive a reimbursement for the cost of replacing the fob.

Finding the best location to purchase a fob can be a challenge. You may want to visit the dealer for this service if you have a newer car key repair service and want peace of mind knowing that your keyfobs are working properly. If you are looking for a more affordable alternative, it is possible to find a locksmith who will offer the same service for a lower price.

If you're not comfortable doing this type of work on your own, a professional locksmith may be a great choice. They are trained and Key Fob Repairs equipped to replace or reprogram key fobs for cars of all types and do it quickly. In addition, a locksmith is often able to come to your home or office to complete the task, which can be very practical for some. They can even cut and program keys on the spot if you have lost them, which is ideal for those who prefer not to leave their cars in the dark.