Car Key Fob Repairs
Key fobs today can do much more than unlock and start vehicles. But that extra complexity can add up to expensive repair costs in the event that one of them malfunctions.
The good news is that the majority of fobs use flat watch-style batteries that are simple to replace at home. And you may find that a reset will bring it back to life.
Battery Replacement
The most common reason the key fob ceases to function is due to an inoperative battery. This is a simple fix, and it's worth a try before you go spending money on a new fob. You can pick up the new button cell at your local auto part store or hardware retailer If you own 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 open and replace the battery inside your fob.
Most fobs have two halves that snap together -You'll need to pry the sides apart to access the battery. You'll need a small, flat-bladed screwdriver, or another tool with a blade that is thin. It may be helpful to look for a notch along the bottom of the fob that you can use to wedge your tool between. You may also want to be on the lookout for small pieces that may be loosened while working.
Install key car repair in the same way as you removed the previous one. Make sure the positive (+) side is facing up towards the buttons, and that the negative (-) side of the battery is aligned correctly with the markings in the battery compartment of your fob.
Test the fob to see whether it is working by pressing a button. If it doesn't, you might have a problem with your car that requires a specialist to repair or replace.
Some key fobs are difficult to open, and the contacts may be brittle and easily damaged. In these cases an expert in the field or the dealer will likely be the best choice. If you're in need of replacing batteries, you should be very gentle and adhere to the instructions specifically 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 make sure that it's compatible with your car.
Replace the internal key
Most key fobs contain a physical mechanical key that is hidden within the fob to keep it from being stolen. When the battery in the fob dies it will leave behind a blank internal key that can unlock trunks and doors (and in some cases, even start certain cars). Most people aren't aware of this, but they can avoid a trip to the dealership by simply replacing the fob's battery. Most modern fobs use flat watches-style batteries that can be found at hardware stores and auto parts shops. Choosing the right type of battery is crucial, however. The wrong type can damage the circuitry, causing the fob's failure earlier.
If you change the battery, and the issue persists it could be a sign that something else is happening with your car. If you have an owner's guide, check to see if there is a reset option available to restore the fob's original programming. If this doesn't work, you'll have to visit a dealership or an independent shop that specializes in security systems for vehicles and key fob programming.
Fobs can also malfunction because of faulty transmitter receivers. These are usually located close to the steering wheel or in the dashboard. They transmit signals that enable you to unlock your car and begin it using the fob. It is possible that you will need to get closer to the car in order to make it work.
A professional might need to open the fob's case to replace the transmitter. A simple screwdriver is usually enough to do the trick, but certain fobs require a specific tool or a special piece of equipment that can only be found at a dealership. 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 working may simply need a new battery. Because these batteries are cheap and easily available at pharmacies and home improvement stores, this is a good first step before purchasing the purchase of a new car key fob.
You can also reprogram your key fob by yourself if you follow the steps below. The procedure varies for different vehicle manufacturers, so it is important to consult your owner's manual and research the specifics of the model you own. One key fob might require that the ignition switch be turned on while changing the program. One key fob may require the key to be inserted several times.
The basic procedure is easy. Make sure the battery is securely in place. Close all doors, except the driver's door. This will ensure that the new key is communicating with the vehicle correctly. Place the old key in the ignition and turn it on, but don't start the engine. Press the lock button while aiming the fob toward the receiver of the transmission. This is typically located on the front above the mirror. The key will inform the vehicle within a short amount of time that it's being programmed. This can be done by turning the door locks or by emitting an audible chime. This is a difficult process, so pay attention to the timing and don't press too hard the button.
If the key fob doesn't function after reprogramming, you can try using a new battery. If the issue persists, a visit to your car dealer or a locksmith should be considered. A professional locksmith will have the tools and programming equipment needed to reprogram 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 vehicle. Genesky has had European models rejected because there isn't the equipment needed. Most aftermarket fobs can be programmed, but always check with your local car dealer to find out the cost.
How do I get a new fob
If your key fob can't be repaired, you might have to purchase an entirely new one. Based on the model and make, an auto locksmith or a dealership may be able to help. The dealership is likely to be the most expensive choice for a replacement fob, but it also has the tools and software needed to program your car correctly. Numerous locksmiths who are independent offer a new car key fob for the lower cost.
It is a good thing to attempt to reset the fob you have before you decide to buy another one. The owner's manual should outline the correct method of reset. It is typically the result of a series of button presses which restores the factory settings.
It's recommended to read the owner's manual and warranty information before you decide which place to go for the replacement of your key fob. If your vehicle is under warranty, or you have a car insurance policy or auto club membership that includes bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of an entirely new fob.
Finding the best location to purchase a fob can be difficult. It is possible to go to the dealer for this service if you have a newer vehicle and you are looking to feel secure knowing that your keyfobs are working properly. If you are looking for a more affordable alternative, it is possible to find a locksmith that will offer the same service for a lower price.
If you aren't comfortable handling this kind of work yourself A professional locksmith could be a good option. They are skilled and equipped to repair or replace most types of car key fobs, and often, they can accomplish the task in a short time. In addition, a locksmith will often visit your home or office to complete the task, which can be very practical for some. They can even cut and program keys on the spot in case you've lost keys, which is great for those who do not want to leave their vehicles unattended.