Car Key Fob Repairs
Key fobs today do much more than simply unlock and start vehicles. This added complexity could lead to expensive repair bills when it fails.
The good news is that the majority of fobs have flat-watch-style batteries that are easy to replace at home. You might find that a simple reset is enough to make your fob work again.
Battery Replacement
A dead battery is the most common cause of the fob's key not working. It's a simple solve and is worth a try before you purchase a replacement fob. You can pick up a new button cell battery at a local auto part retailer or hardware store If you own one. You can also consult your owner's manual (or in the case that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions for opening and replacing the battery in your particular type of fob.
Most fobs have two halves that snap togetherYou'll need to pull the sides apart to access the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a blade that is thin. You can insert your tool into a slot on the bottom of the key fob. It is also advisable to keep an eye out for small pieces that could come loose while you work.
When you have your new battery, place it the same way that you removed the old one. Make sure that the positive (+) side is facing upwards towards the buttons and that the negative (-) side of the battery is aligned correctly with the markings in the battery compartment of your fob.
Check the fob to determine if it works by pushing the button. If it isn't working, there might be a problem with your car that needs to be repaired or replaced by a specialist.
Certain key fobs require specific tools to open and close them, and the contacts inside can be fragile and susceptible to corroding. In these instances an expert in the field or a dealer could be the best option. If you're looking to replace batteries, you should be gentle and follow the instructions that are specific to the owner's manual. You may be able to locate the same battery in a big-box store or discounter, but make sure you check the owner's manual to make sure it's compatible with your car.
Replace the internal key
Most key fobs include an actual mechanical key however, it's hidden within the fob to prevent thieves. When the fob battery dies, it leaves an internal key that is blank that can unlock doors and trunks (and in some cases, start certain vehicles). Many people don't realize this however, they can save themselves from a trip to the dealer by simply replacing the fob battery. The majority of modern fobs utilize flat-watch-style batteries which are readily available at hardware stores and auto parts shops. Choosing the right type of battery is crucial however. The wrong type can damage the circuitry and cause the fob to fail much earlier.
If the problem persists after replacing the battery, it could be an indication that there is something else wrong with your vehicle. If you have an owner's manual look for a reset procedure is available to restore the fob's factory programming. If this doesn't help you'll have to visit a dealership or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs may also malfunction due to malfunctioning transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they send signals that allow you to unlock and start your car using the fob. You may have to move closer to your car to get it to work.
A professional might have to open the case to replace the transmitter. A simple screwdriver is enough to accomplish the task however, some fobs have complex release mechanisms that require a specific tool or specialized equipment available only at a dealership. This is a job that must be handled by a certified mechanic to ensure that the fob is not damaged and yourself.
Reprogramming the Key
A key fob that is not working could just require a new battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, it's a good first step before investing in the purchase of a new car key fob.
You can also re-program your key fob by yourself if you follow some basic steps. The procedure varies for different vehicle manufacturers, so it is important to consult your owner's manual and study the specifics of your model. One key fob could require the ignition to be switched on when reprogramming. Another key might require the key to be inserted and removed repeatedly.
The procedure is simple. Make sure the battery is securely in place. Then, sit in the driver's seat, and close all doors, with the exception of the driver's side door. This will ensure that the new fob is communicating with the vehicle correctly. Put the old key in the ignition, turn it ON but don't start the engine. Then, press the lock button on the fob while looking at the transmission receiver, which is usually located in the front of the car above the mirror. Within a brief time, the key will indicate to the vehicle that it's programmed by turning off the doors' locks or emitting a chime. This can be a tricky process, so pay close attention to the timing and avoid pressing too hard the button.
If the key fob does not work, try reprogramming it again with new batteries. If the issue persists, you may want to visit your car dealer or locksmith. A professional will have all the tools and equipment needed to reprogram your car fob, or even create a brand new one if necessary.
Genesky says he's able to program newer fobs for around $200-$250, based on the model of vehicle. But find out this here had to turn down customers who have European models due to the fact that they don't have the costly equipment they require. key fob repairs of the aftermarket fobs are programmed, but you should always check with your local dealer to find out the cost.
A New Fob
If your key fob is beyond repair, you may require an entirely new one. Depending on your vehicle's model and make, an auto locksmith or dealership might be able to assist. The dealership will likely be the most expensive alternative for replacing a fob, but they will also have the necessary tools and software needed to programme your vehicle properly. Many locksmiths in independent shops provide a new car key fob for the lower cost.
Before you rush to get a new fob, it is a good idea to try resetting your current device. The owner's manual should outline the correct method of reset. This is usually an orderly press that reset the factory program.
It is recommended to review your owner's manual and warranty information before you decide which place to go for a key fob replacement. If your vehicle's warranty is still in effect or you have an auto club or insurance policy that covers bumper-to-bumper, you may qualify to receive a reimbursement for the cost of replacing the fob.
Finding the right location to purchase the fob you need can be difficult. You might want to visit the dealer to get 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 cheaper alternative, it's possible to find a locksmith who will offer the same service for an affordable cost.
If you're not comfortable doing this type of work yourself, a professional locksmith may be a great choice. They are trained and equipped to reprogram or replace all kinds of car key fobs and often they can accomplish the task in a short time. Locksmiths can also come to your office or home, which is convenient for many. They can even cut and program keys on-site when you've lost keys, which is ideal for those who don't like to leave their cars in the dark.