Car Key Fob Repair Explained In Less Than 140 Characters

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Car Key Fob Repairs

Key fobs today can do much more than simply unlock and start vehicles. This added complexity could result in costly repairs when it fails.

It's important to know that a majority of fobs are powered by flat watch-style batteries that can be replaced at home. It is possible that a simple reset will bring your fob back to life.

Battery Replacement

A dead battery is the main reason for the fob's key not working. This is a simple repair, and is worth a try before you spend money on a new fob. You can purchase an additional button cell battery at a local auto part store or hardware retailer in the event that you already have one. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to replace and open the battery inside your fob.

You'll need to gently pull off the sides of many fobs to access the battery. You'll need a small, flat-bladed screwdriver, or another tool with a thin blade. You can wedge your tool into a notch on the bottom of the key fob. You may also want to be on the lookout for small pieces that may come loose while you work.

Insert the new battery the same way you removed the old one. Make sure the positive (+) side is facing up 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 whether it functions by pressing the button. If it fails, it may be a problem with your vehicle that needs to be repaired or replaced by a specialist.

Certain key fobs can be difficult to open, and the contacts could be fragile and easily damaged. In these cases, a car specialist or the dealer will likely be your best option. If you need to replace a battery, try to be gentle and follow the specific instructions in the owner's manual. You may be able find a battery similar at a big-box store or discounter, but make sure to check the owner's manual to ensure it's compatible with your car.

Replace the internal key

The majority of key fobs have the physical key mechanical however, it's hidden within the fob to keep it from being stolen. When the battery in the fob dies it leaves an internal key that is blank that is able to unlock trunks and doors (and in some cases, start certain cars). A majority of people don't realize they can avoid a trip to a dealership by recharging the fob batteries. Most modern fobs have flat-watch-style batteries which are readily available at auto parts stores and hardware shops. The right kind of battery is essential, however. The wrong kind can damage the electronic circuitry and cause the fob to fail much sooner.

If the problem continues to persist after replacing the battery, it may be an indication that there is something else wrong with your vehicle. Check your owner's manual to see if there's a reset procedure that will restore the fob to factory-setup. If this doesn't work then you'll need to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.

Fobs could also fail because of faulty transmitter receivers. These are usually located near the steering wheel or on the dashboard. They transmit signals to enable you to unlock your car and begin it using the fob. If you're being required to get closer and closer to your vehicle to get it to work, there's a great possibility that the transmitter is not working.

A professional may need to open the fob's case to replace the transmitter. A simple screwdriver will usually get the job done however some fobs come with complicated release mechanisms that require a specific tool or specialized equipment that is available only through a dealer. It's a good idea to have a qualified mechanic handle this job to ensure you don't accidentally break the fob or hurt yourself.

Reprogramming the Key

A key fob that is not functioning simply requires a new battery. They are easily available in both pharmacy and home improvement stores and are inexpensive. This is a great way to start before buying an entirely new key fob.

Alternately, you might be able to reprogram the fob by following the steps. The procedure varies for different vehicle brands, so it's essential to refer to the owner's manual as well as research the specifics of the model you own. For instance, one key fob may require that the ignition be turned on while reprogramming it. A key fob might require the key to be inserted multiple times.

The general procedure is very easy. Make sure that the battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob can communicate with the vehicle in a proper manner. Then, place the old key back into the ignition and turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob at the receiver of the transmission. This is usually located on the left side, just above the mirror. Within a brief time the key will announce to the vehicle that it's being programmed by triggering the doors' locks or emitting an emitted sound. This procedure can be difficult so it's essential to be aware of the timing and don't over-press the key button.

If the key fob still doesn't work try key repair for car reprogramming it using new batteries. If the issue isn't resolved, a visit to your car dealer or a locksmith should be considered. A professional will have all the tools and equipment to reprogram your car fob, or even create a brand new one, if required.

Genesky says he can usually program newer fobs at around $200 to $250, based on the vehicle. However, he's had to refuse 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 a car dealer first to see what their price is.

Finding a New Fob

If your key fob is simply damaged beyond repair, you could need to get an alternative. Based on the make and model, an auto locksmith or a dealership may be able help. The dealership is likely to be the most expensive alternative for replacing a fob, but they will also have all of the necessary tools and software to program your car correctly. If you are looking for a less expensive solution, many independent locksmiths will be able to provide you with an entirely new car key fob for a more affordable price.

It is a good thing to attempt to reset your current device before you make the decision to purchase an entirely new one. The owner's guide should explain the correct reset procedure. This is usually the result of a series of button presses that reset the factory program.

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

The process of getting a fob can be simple enough however finding the best location to do it isn't easy. If you have a relatively new car and want the assurance from knowing that your key fobs are in good working condition, you may prefer going to the dealership to get this service. If you are looking for a cheaper alternative, it is possible to find a locksmith who will offer the same service at an affordable cost.

A professional locksmith is a great choice if you're not comfortable doing this type of work. They are certified and equipped to repair or replace the majority of car key fobs and they can often accomplish the task in a short time. Locksmiths can also come to your office or home which is a great option for a lot of people. They can cut keys and program them on the spot in case you've lost them. This is perfect for those who do not want to leave their vehicle in the garage.