The 10 Scariest Things About Car Key Fob Repair
Car Key Fob Repairs
Key fobs of today are more than just a way to unlock and start vehicles. This added complexity can result in costly repairs in the event that it malfunctions.
It's good to know that most fobs are powered by flat watch-style batteries which 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 solve and is worth a try before you invest in a replacement fob. Simply take your car to a local auto parts store or hardware retailer that carries button cells and choose a replacement. 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.
You'll need to gently pull apart the sides of most fobs to access the battery. You'll require a small flat-bladed screwdriver, or a different tool with a thin blade. It's a good idea to look for a notch on the bottom of the fob that you can use to place your tool between. It is also advisable to look for tiny pieces that could break loose as you work.
Insert the new battery the same manner as 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 marks inside the battery compartment of your fob.
Check the fob to determine whether it is working by pressing the button. If it doesn't, you might have a problem with your car that requires a professional to repair or replace.
Some key fobs require special tools to open and close them, and the contacts inside could be fragile and susceptible to corroding. In these instances, the best option is to speak with a specialist or dealer. When replacing a battery, be gentle and follow your owner's instructions. You might be able find a similar battery at a discounter or big-box retailer however, you'll need to check the owner's manual to be sure that it matches your car.
Replacing the Internal Key
To prevent theft, most key fobs are equipped with an electronic key inside. If the battery of the fob fails it will leave an internal key that is blank that is able to unlock doors and trunks (and in some cases, start certain cars). The majority of people don't realize that they can avoid a trip to the dealership by replacing the fob's batteries. Most modern fobs use flat watches-style batteries that can be found in auto parts stores and hardware shops. It is essential to choose the correct type of battery. The wrong type can damage the circuitry and cause the fob to fail much earlier.
If the issue persists after replacing the battery, it may be an indication that there is something else wrong in your vehicle. Check your owner's manual to determine if there's an option to reset the fob and restore the fob to the factory program. If this doesn't help then you'll need to visit a dealer or an independent shop that is specialized in vehicle security systems and fob programming.
Fobs may also fail due to malfunctioning transmitter receivers. These are usually located close to the steering wheel, or on the dashboard. They transmit signals to enable you to unlock your car and start it with the fob. If you're required to move closer and closer to your car in order to make it work, there's a good possibility that the transmitter is not working.
A professional might need to open the fob's case to replace the transmitter. A simple screwdriver will usually accomplish the task, but 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 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. They are easily available in both pharmacy and home improvement stores and are inexpensive. This is a good method to start before you purchase an entirely new key fob.
Alternately, you might be able to reprogram the fob yourself by following the steps. This process can vary between vehicles, so you should read the owner's manual and research the model you have. One key fob could require the ignition to be switched on when reprogramming. One key fob may require the key to be inserted several times.
The general process is simple. Make sure the battery is securely in place. Close all doors, except the driver's door. This will ensure the new key is communicating with the vehicle correctly. Place the old key in the ignition, turn it ON but do not start the engine. Then, press the lock button on the fob while looking at the transmission receiver, which is usually situated on the front of the car above the mirror. The key will notify the vehicle within a short amount of time that it's being programmed. This can be done by turning the door locks or emitting an audible chime. This process can be tricky so it's essential to be attentive to the timing and don't over-press the key button.
If the key fob won't function after reprogramming, you can try replacing the batteries. If car key repair service persists you should visit the dealer of your vehicle or a locksmith should be considered. A professional locksmith will have the tools and equipment necessary to re-program your car's fob or clone an entirely new key if needed.
Genesky says he's able to program newer fobs for $200-$250, based on the vehicle. He's experienced European models turned away because they don't have the equipment required. The majority of aftermarket fobs can be programmed, but you should always check with your local car dealer to find out the price.
Getting a New Fob
If your key fob cannot be fixed, you could have to purchase another 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 will also have the tools and software required to program your car correctly. Many locksmiths in independent shops offer a new car key fob for an affordable price.
Before you purchase an entirely new device it's an excellent idea to try resetting your current device. The owner's manual should explain the correct procedure for reset which is typically the pushing of a button which restores the original programming.
You should also check the owner's guide and warranty information to see whether you can obtain an alternative fob for your key. 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 able to receive some reimbursement for the cost of the new fob.
Finding the best where to purchase a fob can be a challenge. If you own a new car and would like the peace of mind that comes with knowing that your keys fobs are in good working condition, you might be better off visiting the dealership for this service. If you're looking for a cheaper alternative, it's possible to find a locksmith that can provide the same service at less cost.
If you're not confident handling this kind of work yourself, a professional locksmith can be a great option. They are trained and equipped to repair 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 people. They can also cut and program keys on the spot if you've lost them. This is ideal for those who don't like to leave their car unattended.