Be On The Lookout For: How Car Key Fob Repair Is Gaining Ground And What You Can Do About It

· 6 min read
Be On The Lookout For: How Car Key Fob Repair Is Gaining Ground And What You Can Do About It

Car Key Fob Repairs

Key fobs today can do more than unlock and start cars. However, that added complexity can add up to expensive repair costs 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. You may even find that a reset can bring it back to life.

Battery Replacement

The most frequent reason that a key fob doesn't work is due to an inoperative battery. It's easy to fix and worth trying before you purchase the replacement fob. Simply take  key fob repairs near me  to a local auto parts store or a hardware retailer that carries button cell batteries and pick up a replacement. You can also refer to the 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 the particular type of fob.

You'll have to gently pull apart the sides of most fobs to access the battery. You'll typically need a small screwdriver or another tool equipped with a thin, flat blade. You can put your tool into a notch on the bottom of the key fob. It is also advisable to look out for tiny pieces that might break loose as you work.

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

Check the fob to determine whether it is working by pressing the button. If it isn't working, there may be a problem with your car that needs to be repaired or replaced by a specialist.

Certain key fobs require special tools to open and close them, and the contacts inside can be fragile and susceptible to corroding. In these situations, a car specialist or a dealer could be the best option. When replacing a battery, be patient and follow your owner's instructions. You may be able to find a similar battery at a discounter or a big-box retailer, but you'll need to refer to your owner's manual to be sure that it's the right one for your vehicle.

Replacing the Internal Key

To protect against theft, the majority of key fobs have an internal mechanical key that is hidden within. If the battery of the fob fails, it leaves an internal key that is blank that can unlock trunks and doors (and in some cases, even start certain cars). Most people don't know this, but they can save themselves a trip to the dealership by simply replacing the fob battery. The flat watch-style battery is found in the majority of modern fobs. These batteries are easily found in hardware and auto parts stores. Using the correct type of battery is essential, however. A wrong type of battery can harm the electronic circuitry and cause the battery to fail sooner.

If the issue persists even after you have replaced the battery, it may be a sign that something else is going on with your vehicle. If you have an owner's manual and you're not sure, try to determine if a reset procedure is available to restore the fob's factory programming. If this isn't working, you'll need to visit a dealership or an independent shop that specializes in vehicle-security systems and key fob programming.

Fobs may also malfunction due to malfunctioning transmitter receivers. These are usually located close to the steering wheel, or in the dashboard. They transmit signals to allow you to unlock your car and start it with the fob. If you notice that you're required to move 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 need to open the fob's case to replace the transmitter. A simple screwdriver can usually do the job however some fobs come with complex release mechanisms that require a special tool or specialized equipment available only at a dealership. It's a good idea to have a certified mechanic handle this job to ensure you don't break the fob or cause injury to yourself.

Reprogramming the Key

A key fob that's not working may simply need a new battery. These batteries are easily found in both pharmacy and home improvement stores and are cheap. This is a good way to start before buying an entirely new key fob.

Alternately, you might be able to program the fob on your own by following a few basic steps. This process can vary between automobiles, so read the owner's manual and research the model you have. One key fob might require that the ignition switch be on when changing the program. A key fob might require the key to be inserted several times.



The basic procedure is easy. First, make sure the new battery is firmly in place. Close all doors except the driver's door. This will ensure the new fob is communicating with the vehicle correctly. Insert the old key into the ignition, then turn it on however, do not start the engine. Press the lock button while aiming the fob towards the receiver of the transmission. This is typically located on the front above the mirror. The key will signal to the vehicle within a short period of time that it is being programmed. This can be accomplished by turning the door locks or by emitting an audible chime. This is a challenging process, so pay attention to the timing and don't press too hard the button.

If the key fob doesn't work, try reprogramming it again using new batteries. If the issue is still there, you might want to visit your car dealer or locksmith. A professional will have all the tools and equipment to reprogram your car fob, or even create a brand new one if needed.

Genesky claims he is able to program newer fobs that range between $200 and $250, based on the vehicle. But he's had to turn away customers with European models because he doesn't have the expensive equipment they require. Fortunately, most aftermarket fobs are programmable but it's always recommended to consult a car dealer first to determine what their price is.

A New Fob

If your key fob is beyond repair, you may need to get an entirely new one. Based on the model and make, an auto locksmith or a dealership may be able to help. The dealership will likely be the most expensive option for a replacement fob However, they'll have all of the necessary tools and software needed to program your vehicle correctly. If you are looking for a less expensive solution, many independent locksmiths can provide you with a brand-new car key fob for a much more reasonable cost.

Before you purchase an entirely new device, it is an excellent idea to try resetting your current device. Your owner's manual should outline the proper procedure for reset which is typically pushing a few buttons that restores it to factory programming.

You should also look over the owner's manual and warranty information to determine whether you are eligible for an additional fob for your key. If your car's warranty is in good standing or you have an auto club or insurance policy that covers bumper-to-bumper, you may qualify to receive a reimbursement for the cost of replacing the fob.

Finding a fob is simple enough however finding the best location to do it isn't easy. If you have a relatively new car and would like the assurance with knowing that your keys fobs are in working condition, you may be better off going to the dealership to get this service. If you're looking for a cheaper alternative, it is possible to find a locksmith that will provide the same service for a lower price.

If you're not comfortable doing this kind of work yourself, a professional locksmith can be a good option. They're trained and equipped to change or reprogram car key fobs of all types and can do it quickly. Locksmiths can also visit your house or office which is a great option for many. They can cut and program keys on the spot in case you've lost keys. This is ideal for those who do not want to leave their vehicle in the garage.