Car Key Fob Repairs
Key fobs today do much more than just unlock and start vehicles. This added complexity can lead to expensive repair bills if it breaks.
It's a good idea to know that the majority of fobs are powered by flat watch-style batteries, that can be replaced at home. And you may find that a reset will get yours working again.
Battery Replacement
A dead battery is the main reason for the fob's key not working. It's easy to fix and worth trying before you invest in an alternative fob. Simply take your car to an auto parts store or a hardware retailer that sells button cell batteries and pick up an alternative. 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 in your fob.
Most fobs have two halves that snap together- you'll need to gently pry the sides apart to get to the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a small blade. It's a good idea to look for a groove along the bottom of the fob that you can use to wedge your tool between. It is also advisable to keep an eye for tiny pieces that could break loose while you work.
Once you have the new battery, you can insert it in the same manner that you removed the old one. The positive (+) side should be facing the buttons and the reverse (-), the markings on the battery compartment.
You can push a button to test the fob. If it doesn't, you may have a problem with your car that requires a specialist to repair or replace.
Certain key fobs require special tools to open, and the contacts inside can be fragile and susceptible to corroding. In these situations, a car specialist or a dealer could be the best choice. If you need to replace a battery, try to be very gentle and adhere to the instructions that are specific to the owner's manual. You may be able find an identical battery in a big-box store or discounter, however, make sure you read your owner's guide to ensure it is compatible with your vehicle.
Replace the internal key
The majority of key fobs have a physical mechanical key however, it's hidden within the fob to keep it from being stolen. When the battery in the fob dies, it leaves behind a blank internal key that can unlock doors and trunks (and in some cases, start certain cars). Most people aren't aware of this however they could save having to go to the dealership by simply replacing the fob battery. Most modern fobs use flat watches-style batteries that are readily available at auto parts stores and hardware shops. Choosing the right type of battery is crucial, however. A bad battery can damage the electronic circuitry, which can cause the fob to fail faster.
If the issue persists after replacing the battery, it may be an indication that something else is wrong in your vehicle. If you have an owner's guide, check to see if you can use a reset procedure to restore the fob's factory programming. If this doesn't help you'll have to visit a dealer or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs may also fail because of faulty transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they transmit signals that allow you to unlock and start your car with the fob. If you notice that you're required to move closer and closer to your vehicle to be able to make it work, there's a great chance that the transmitter isn't working.
A professional might have to open the fob's case to replace the transmitter. A simple screwdriver is enough to get the job done however, some fobs have complicated release mechanisms that require a specialized tool or specialized equipment available only at a dealer. This is a job that should be performed by a qualified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
A key fob that is not functioning just requires a new battery. These batteries are easily found in both pharmacy and home improvement stores and are inexpensive. This is a great option to begin before purchasing the new key fob.
Alternately, you might be able to program the fob yourself by following a few basic steps. The procedure may differ for different vehicles, so you should consult your owner's guide and research the model you have. One key fob might require the ignition to be switched on when programming. A key fob might require the key to be inserted multiple times.
The basic procedure is simple. First, ensure that the new battery is in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob is communicating with the vehicle properly. Place the old key in the ignition, then turn it on however, don't start the engine. Press the lock button while aiming the fob towards the receiver of the transmission. This is usually located on the left side, just above the mirror. The key will notify the vehicle within a short period of time that it's being programmed. This can be done by turning the door locks, or emitting an audible chime. This procedure can be difficult, so it's important to be aware of the timing and not to over-press the key button.
If car key repair service does not work Try reprogramming it with new batteries. If the issue isn't resolved then a visit to the dealer of your vehicle or a locksmith should be considered. A professional locksmith will have the tools and equipment needed to reprogram your car's fob, or create the key if required.
Genesky claims he is able to program newer fobs that range between $200 and $250, based on the model of vehicle. However, he's had the need to turn down customers who have European models because he doesn't have the expensive equipment they require. Fortunately, most aftermarket fobs can be programmable, but it's always best to talk to a car dealer first to find out what their price is.
Getting a New Fob
If your key fob cannot be repaired, you might have to purchase a new one. Depending on the make and model, a dealership or an auto locksmith might be able to assist. The dealership will likely be the most expensive alternative for replacing a fob however, they'll have all the required tools and software to program your car correctly. For a more affordable solution, a variety of locksmiths can provide you with a brand-new car key fob for a more affordable cost.
Before you decide to purchase a new key fob, it is recommended to consider resetting your current device. The owner's manual should explain the correct procedure for reset which is typically a series of button pushes that reset the factory settings.
It's an excellent idea to review your owner's manual as well as warranty information before you decide where to go for a key fob replacement. If your car is still under warranty, or you have a car-insurance policy or auto club membership with bumper-to-bumper coverage, you may be eligible for reimbursement for the cost of an entirely new fob.
Finding the best where to purchase a fob can be a challenge. If you own a new vehicle and you want the security from knowing that your key fobs are in working condition, you might prefer going to the dealership for this service. If you're looking for a more affordable option, it is often possible to find a locksmith who is independent who can provide the same services at a much lower cost.
If you're not comfortable doing this type of work yourself A professional locksmith could be a great choice. They're trained and equipped to replace or reprogram key fobs for cars of all kinds, and can do so quickly. In addition, a locksmith is often able to come to your home or office to do the job which can be extremely useful for certain people. They can even cut and program keys on-site if you have lost them, which is ideal for those who prefer not to leave their cars in the dark.