Car Key Fob Repair Isn't As Tough As You Think

Car Key Fob Repairs

Key fobs of today can do more than unlock and start vehicles. However, that added complexity can result in costly repairs when one of them fails.

The positive side is that many fobs have flat-watch-style batteries that are easy to replace at home. It is possible that a simple reset will make your fob work again.

Battery Replacement

The most common reason that a key fob doesn't work is due to an inoperative battery. This is easy to repair, and is worth a try before you spend money on a new fob. Simply take your car to a local hardware or auto parts retailer that sells button cell batteries and pick up a replacement. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to remove and replace the battery inside your fob.

The majority of fobs have two halves that snap together -you'll have to gently pull the sides apart to get to the battery. It's usually a screwdriver or another tool with a thin, flat blade. It's a good idea to look for a notch along the bottom of the fob that you can wedge your tool between. It is also advisable to keep an eye out for Car Key Fob Repairs tiny pieces that may come loose as you work.

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

Press a button to test the fob. If it doesn't, you might have an issue with your car that requires a professional to fix or replace.

Certain key fobs require special tools to open, and the contacts inside may be delicate and easily corroded. In these instances the best solution is to speak with a expert or a dealer. If you're in need of replacing the battery, make sure to be gentle and follow the instructions specifically in the owner's manual. You may be able find a battery similar at a big-box retailer or discounter, but be sure you read your owner's guide to ensure it is compatible with your vehicle.

Replace the internal key

To guard against theft, many key fobs come with an internal mechanical key that is hidden within. If the battery of the fob fails, it leaves an internal key blank that can unlock trunks and doors (and in some cases start certain cars). A majority of people don't realize that they can avoid a trip to a dealership by recharging the fob batteries. The flat watch-style batteries are used in the majority of modern fobs. These batteries are easily located at hardware and auto parts stores. The right kind of battery is crucial however. The wrong type can damage the circuitry and cause the fob's failure earlier.

If the problem continues to persist even after you have replaced the battery, it could be a sign that something else is going on with your vehicle. If you have an owner's manual, check to see if you can use a reset procedure to restore the fob's factory programming. If this isn't working, you'll need visit a dealership or a shop independent that specializes in vehicle-security systems and key fob programming.

Fobs may also malfunction due to faulty transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they send signals that allow you to open and start your car using the fob. You may need to get closer to the car to make it work.

It might be required for a professional to access 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 that can only be found at a dealer. This task should be performed by a qualified mechanic to avoid damaging the fob as well as yourself.

Reprogramming the Key

A key fob that is not working may simply need an upgrade in battery. These batteries are easily found in home improvement and pharmacy stores and are cheap. This is a good method to start before you purchase a new key fob.

Alternately, you might be able to re-program the fob by following the steps. This procedure can differ between vehicles, so it is recommended to refer to the owner's manual and study the specific model of your vehicle. A key fob may require that the ignition switch be on when programming. Another may require the key to be removed and inserted multiple times.

The basic procedure is simple. First, make sure the new battery is securely in place. Close all doors except the driver's door. This will ensure the new key is communicating with the vehicle correctly. Then, put the old key back in the ignition and switch it to the ON position, but don't start the engine. Next, press the lock button on the fob, car key fob repairs while aiming it at the transmission receiver, which is usually located in the front of the car above the mirror. The key will signal to the vehicle within a short period of time that it's being programmed. This can be done by turning the door locks or by emitting an audible chime. This can be a difficult process, so it's important to pay attention to the timing and to not over-press the key button.

If the key fob does not work after reprogramming, try using a new battery. If the issue persists, a visit to your dealer for your car or locksmiths should be considered. A professional locksmith will have the tools and equipment necessary to re-program your car's fob or clone an entirely new key if needed.

Genesky says he's able to program newer fobs for $200-$250, based on the vehicle. He's had European models rejected due to the fact that there isn't the equipment needed. Most aftermarket fobs can be programmed, but you should always consult your local car dealer to determine the price.

A New Fob

If the key fob you have cannot be fixed, you could need to buy another one. Depending on the brand and model, the dealership or an auto locksmith may be able to assist. The dealership is likely to be the most expensive option for a fob replacement however, they'll have the necessary tools and software to program your vehicle correctly. Numerous locksmiths who are independent offer a new car key fob at the lower cost.

Before you rush to get a new key fob it's a good idea to try resetting your current one. The owner's manual should provide the correct reset procedure. It is typically a series button presses that restores the factory programming.

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

The process of getting a fob can be simple enough however, finding the right location to do it isn't easy. If you own a new car and want the peace of mind that comes with knowing that your key fobs are in working condition, you may prefer going to the dealership for this service. However, if you want an option that is more affordable it is possible to find an independent locksmith who can provide the same service for a lower cost.

If you're not confident handling this type of work yourself A professional locksmith could be a great choice. They are skilled and equipped to replace or reprogram most types of car key fobs and often they can do it quickly. A locksmith is also able to visit your house or office, which is convenient for many. They can cut and program keys repair on the spot if you've lost keys. This is perfect for those who do not want to leave their vehicle in the garage.