Car Key Fob Repair Isn't As Difficult As You Think
Car Key Fob Repairs
Key fobs of today can do more than unlock and start cars. This added complexity could cause costly repair costs in the event that it malfunctions.
It's good to know that the majority of fobs are powered by flat watch-style batteries, that can be replaced at home. You may even find that a reset can get yours working again.
Battery Replacement
A dead battery is the main reason for the fob's key not working. It's simple to fix and worth trying before you invest in an alternative fob. Take key fob repairs to a local hardware or auto parts retailer that carries button cell batteries and purchase a replacement. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to open and replace the battery in your fob.
You'll need to gently pull off the sides of many fobs in order to access the battery. You'll require a small flat-bladed screwdriver, or a different tool with a thin blade. It may be helpful to look for a groove along the bottom of the fob that you can place your tool between. You may also want to keep an eye for tiny pieces that could break loose as you work.
Install the new battery in 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 inside the battery compartment of your fob.
Push a button to test the fob. If it isn't working, there might be a problem with your vehicle that requires to be repaired or replaced by a specialist.
Certain key fobs are difficult to open and their contacts could be fragile and easily damaged. In these instances the best solution is to speak with a expert or a dealer. If you're looking to replace the battery, make sure to be gentle and follow the specific instructions in your owner's manual. You may be able to locate the same battery at a big-box retailer or discounter, however, make sure you read the owner's manual to ensure that it's compatible with your car.
Replacing the Internal Key
The majority of key fobs have a physical mechanical key however, it's hidden within the fob to stop thieves from getting. When the fob battery dies, it leaves an internal key blank which can open doors and trunks (and in some cases, even start certain cars). Most people don't know this however, they can save themselves from a trip to the dealer by simply replacing the fob's battery. The flat watch-style battery is used in most modern fobs. These batteries are easily found in auto parts stores and hardware stores. It is crucial to choose the right type of battery. The wrong type can damage the circuitry and cause the fob's failure much sooner.
If you change the battery, and the problem persists, it could be an indication that something else is happening in your vehicle. Go through the owner's manual to determine if you have a reset procedure that can bring the fob back to factory-setup. If this doesn't work, you'll have to visit a dealership or a shop independent that specializes in security systems for vehicles and key fob programming.
Fobs may also fail due to malfunctioning transmitter receivers. These are usually built into the dashboard or close to the steering wheel, and they send signals that allow you to open and start your car with the fob. You may need to get closer to the car in order to enable it.
A professional might need to open the fob's case to replace the transmitter. A simple screwdriver will usually do the trick, but certain fobs require a special tool or special equipment that can only be found at a dealership. This job should be done by a certified mechanic in order to ensure that the fob is not damaged and yourself.
Reprogramming the Key
Often a non-functional key fob simply needs a fresh battery. Because they are cheap and easily available at pharmacies and home improvement stores, it's a good first step before investing in an entirely new car key fob.
Alternately, you might be able to reprogram the fob on your own by following a few basic steps. The procedure may differ for different vehicles, so it is recommended to consult your owner's guide and research the model you have. One key fob could require that the ignition be switched on when reprogramming. Another key might require the key to be removed and inserted multiple times.
The basic procedure is simple. First, make sure the new battery is firmly in place. Then, sit in the driver's seat and shut all doors EXCEPT for the driver's side 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 toward the receiver of the transmission. It is usually located on the left side, just above the mirror. Within a short time frame the key will announce to the vehicle that it's being programmed by triggering the doors locks or emitting a chime. This procedure can be difficult and it's crucial to pay attention to the timing and to not over-press the key button.
If the key fob still isn't working Try reprogramming it with fresh batteries. If the issue is still there, you might want to check with your car dealer or locksmith. A professional will have all the tools and equipment required to reprogram the car fob or create a new one if necessary.
Genesky says he's able to program newer fobs for $200 to $250, based on the vehicle. He's been denied European models rejected due to the fact that there isn't the equipment needed. Fortunately, many aftermarket fobs are programmable, but it's always best to talk to a car dealer first to find out what the cost is.
A New Fob
If your key fob cannot be repaired, you may have to purchase an entirely new one. Depending on the make and model, the dealer or an auto locksmith might 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 required to program your car correctly. Many locksmiths in independent shops offer a brand new car key fob for an affordable price.
Before you rush to get a new key fob, it is a good idea to try resetting your current device. The owner's manual should provide the correct procedure for reset. It is typically the result of a series of button presses which restores the factory settings.
It is recommended to review your owner's manual and warranty information before you decide where to go for an replacement fob for your key. If your car's warranty still in effect or you have an auto club or car insurance policy that covers bumper to bumper, you may qualify for a reimbursement of the cost of a replacement fob.
Getting a fob is easy enough however finding the best place to have it done can be tricky. It is possible to go to the dealer for this service if you have a newer car and you want to be confident that your key fobs work correctly. If you're looking for a more affordable option it is possible to find an independent locksmith who can provide the same services for a significantly lower price.
If you're not confident handling this type of work on your own, a professional locksmith may be a great choice. They are equipped and trained to replace or reprogram key fobs for cars of all kinds and do it quickly. Additionally, locksmiths can often 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-site in case you've lost them, which is ideal for those who do not want to leave their vehicles unattended.