The 10 Scariest Things About Car Key Fob Repair

Car Key Fob Repairs

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

The positive side is that many fobs have flat-watch-style batteries that are simple to replace at home. And you may find that a reset can bring it back to life.

Battery Replacement

The most frequent reason why that a key fob doesn't work is due to an inoperative battery. It's a simple repair, and is worth trying before you go spending money on a new fob. You can buy a new button cell battery at your local auto part store or hardware retailer in the event that you already have one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to open and replace the battery inside your fob.

Most fobs come with two halves that snap togetherYou'll need to break the sides to access the battery. You'll need a small flat-bladed screwdriver, or another tool with a small blade. It might help to look for a notch along the bottom of the fob which you can wedge your tool between. You may also want to keep an eye out for small pieces that may come loose while you work.

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

Test the fob to see if it works by pushing a button. If it fails, it may be a problem with your car that needs to be fixed or replaced by a professional.

Certain key fobs require special tools to open and close them, and the contacts inside could be fragile and susceptible to corroding. In these cases you should consult a specialist in your car or dealer may be the best choice. When replacing a battery be gentle and follow the owner's instructions. You may be able find a battery similar at a big-box retailer or discounter, but be sure you check the owner's manual to make sure it's compatible with your vehicle.

Replacing the Internal Key

Most key fobs include the physical key mechanical however, it's hidden within the fob to stop thieves from getting. When the battery in the fob fails, a blank key is left behind that can be used to open doors and trunks. In certain cases it is possible to start certain vehicles. Most people aren't aware of this, but they can save themselves from a trip to the dealer by simply replacing the fob battery. Most modern fobs use flat-watch-style batteries which are readily available at auto parts stores and hardware shops. It is important to use the correct type of battery. The wrong type can damage the circuitry, causing the fob's failure much sooner.

If you replace the battery and discover that the issue persists it could be a sign something else is wrong with your vehicle. Go through the owner's manual to determine if there's a reset procedure that can restore the fob to factory-setup. If this isn't working, you'll need go to a dealer or a shop independent that specializes in security systems for vehicles and key fob programming.

Fobs can also fail because of faulty transmitter receivers. They are usually found near 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 car to get it to work, there's a great chance the transmitter is failing.

It may be necessary for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver will usually get the job done however some fobs come with complicated release mechanisms that require a specialized tool or equipment that is available only at a dealership. It's best to have a certified mechanic handle this job to ensure you don't accidentally break the fob or cause injury to yourself.

Reprogramming the Key

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

You can also reprogram your key fob on your own If you follow a few basic steps. The procedure may differ for different automobiles, so read the owner's manual and research the model you have. For example one key fob could require that the ignition be on while reprogramming it. One key fob may require the key to be inserted multiple times.

The basic procedure is simple. Make sure the battery is securely in place. Close all doors except the driver's door. This will ensure the new key is communicating with the vehicle properly. Insert the old key into the ignition and turn it ON, but do not start the engine. Next press the lock button on the fob while making sure to point it towards 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 is being programmed. This can be accomplished by turning off the door locks or by emitting an audible chime. This can be a tricky process, so pay close attention to timing and don't over-press the button.

If the key fob won't function after reprogramming, you can try using new batteries. If the issue isn't resolved you should visit the dealer of your vehicle or locksmiths should be considered. A professional will have the tools and equipment necessary to re-program your car's fob, or create an entirely new key if needed.

Genesky claims he is able to program newer fobs between $200 and $250, based on the model of vehicle. However, he's had the need to refuse customers with European models because they don't have the costly equipment required. Luckily, the majority of aftermarket fobs are programmable however it's best to check with a car dealer first to see the price.

A New Fob

If your key fob cannot be repaired, you may require another one. Depending on your vehicle's make and model, an auto key repair 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. Numerous locksmiths who are independent offer a brand car key fob repairs new car key fob for an affordable price.

It's a good idea to attempt to reset your current device before you make the decision to purchase a new one. The owner's manual should provide the correct procedure for reset. This is usually the result of a series of button presses that restores the factory programming.

It is also recommended to check the owner's manual and warranty information to see whether you are eligible for a replacement key fob. If your vehicle is under warranty, or you have a car-insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of an entirely new fob.

Finding the best where to purchase the fob you need can be difficult. If you have a relatively new car and would like the peace of mind that comes from knowing that your key fobs are in working condition, you may prefer going to the dealership for this service. If you're seeking a less expensive alternative, it is possible to find a locksmith that can provide the same service at an affordable cost.

A professional locksmith is a great choice if you're not comfortable doing this kind of work. They are certified and equipped to repair or replace all kinds of car key fobs, and often, they can accomplish the task in a short time. In addition, a locksmith is often able to come to your workplace or home to complete the task, which can be very useful for certain people. They can even cut and program keys on the spot when you've lost keys, which is great for those who prefer not to leave their cars unattended.