Car Key Fob Repair Explained In Less Than 140 Characters

· 5 min read
Car Key Fob Repair Explained In Less Than 140 Characters

Car Key Fob Repairs

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

The positive side is that many fobs are equipped with flat-watch-style batteries that are simple to replace at home. You may find that a simple reset is enough to bring your fob back to life.

Battery Replacement

The most common reason the key fob ceases to function is because of an inoperative battery. This is a simple repair, and is worth a try before you spend money on a new fob. Take your car to a local auto parts store or hardware retailer that stocks button cell batteries and pick up an alternative. You can also refer to the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to replace and open the battery inside your fob.

You'll need to gently pry apart the sides of most fobs to access the battery. You'll require a small flat-bladed screwdriver, or a different tool with a small blade. You can put your tool into a notch at the bottom of the key fob. You might also want to look for small pieces that could be loosened while working.

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

Test the fob to see whether it functions by pressing the button. If it doesn't work, you may have a problem with your car that requires a professional to fix or replace.

Certain key fobs require special tools to open and close, and the connections inside may be delicate and easily corroded. In these situations an expert in the field or dealer may be your best option. If you're in need of replacing the battery, make sure to be very gentle and adhere to the instructions specifically in the owner's manual. You might be able find a similar battery at a discounter or big-box retailer, but you'll need to check the owner's manual to make sure that it's the right one for your vehicle.



Replace the internal key

To guard against theft, many key fobs are equipped with an internal mechanical key that is hidden within. When the battery in a fob dies it will leave a blank key left behind and can be used to unlock doors and trunks. In some instances, this key can even start certain vehicles. Most people don't realize they can save a trip to a dealership by replacing the fob's batteries. The flat watch-style battery is used in most modern fobs. These batteries are easily located at auto parts stores and hardware stores. Using the correct type of battery is essential however. A wrong type of battery can harm the electronic circuitry and cause the fob to fail sooner.

If the problem persists even after you have replaced the battery, it could be an indication that there is something else wrong in your vehicle. If you have an owner's guide look for you can use a reset procedure to restore the fob's factory programming. If this doesn't help you'll have to visit a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs could also fail due to malfunctioning transmitter receivers. They are typically located on the dashboard or next to the steering wheel, and transmit signals that allow you to open and start your car with the fob. If you're having to get closer and closer to your car to be able to make it work, there's a great chance that the transmitter isn't working.

It could be necessary for a professional to remove the case of the fob 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 which can only be found at a dealership. This job should be done by a certified mechanic to avoid damaging the fob and yourself.

Reprogramming the Key

A key fob that's not working may simply need a new battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, it's the ideal first step before investing in an entirely new car key fob.

You can also re-program your key fob yourself If you follow some basic steps. The procedure varies for different vehicle manufacturers, so it is important to consult your owner's manual and study the specifics of your model. For example, one key fob may require that the ignition be on while reprogramming it. Another key might require the key to be removed and inserted repeatedly.

The basic procedure is simple. Make sure 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 can communicate with the vehicle in a proper manner. Place the old key in the ignition and turn it ON however, do not start the engine. Press the lock button while aiming the fob at the transmission receiver. This is typically located on the front, above the mirror. The key will inform the vehicle within a short period of time that it is being programmed. This can be accomplished by cycling the door locks, or emitting an audible chime. This process can be tricky and it's crucial to be attentive to the timing and don't over-press the key button.

If the key fob won't function after reprogramming, you can try using a new battery. If the issue isn't resolved then a visit to your car dealer or a locksmith should be considered. A professional will have the tools and programming equipment necessary to re-program your car's fob or clone a new key if it's required.

Genesky says he can usually program newer fobs for $200-$250, depending on the car. But he's had to refuse customers with European models due to the fact that he doesn't have the expensive equipment required. The majority of aftermarket fobs can be programmed, but you should always consult your local car dealer to determine the price.

How to get a new fob

If the key fob you have cannot be fixed, you could need to buy another one. Depending on the make and model, a dealership or an auto locksmith might be able to assist. 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 new car key fob at the lower cost.

Before you purchase a new fob, it is an excellent idea to try resetting your current device. The owner's guide should explain the correct reset procedure. It is typically a series button presses that restores the factory programming.

It is recommended to review your owner's manual and warranty information prior to deciding where to go for the replacement of your key fob. If your car's warranty still in effect or you have an auto club or car insurance policy that covers bumper to bumper you could be eligible for a reimbursement on the cost of replacing the fob.

Finding the right where to purchase a fob can be a challenge. If you own a new car and want the assurance with knowing that your keys fobs are in working order, you may be better off visiting the dealership to get this service. However, if you want a more affordable option it is possible to find a locksmith independent who can provide the same services for a significantly lower price.

A locksmith professional is a great option If you're not confident doing this kind of work.  car remote key repair  are equipped and trained to change or reprogram key fobs for cars of all kinds and can do it quickly. A locksmith is also able to visit your office or home which is convenient for many. They can even cut and program keys on-site if you have lost keys, which is ideal for those who don't like to leave their vehicles unattended.