Car Key Fob Repairs
Key fobs today do a lot more than simply unlock and start vehicles. But that extra complexity can result in high repair bills if one of them breaks.
It's important to know that a majority of fobs are powered by flat watch-style batteries that can be replaced at home. It is possible that a simple reset can bring your fob back to life.
Battery Replacement
The most frequent reason that a key fob doesn't work is because of the battery being dead. This is a simple repair, and is worth a try before you go spending money on a new key fob. You can pick up a new button cell battery at your local auto part store or hardware retailer in the event that you already have one. You can also refer to your owner's guide (or YouTube for videos explaining how to replace the battery) to find specific instructions on how to replace and open the battery inside your fob.
Most fobs have two halves that snap together -- you'll need to gently break the sides to get to the battery. You'll need a small, flat-bladed screwdriver, or a different tool with a thin blade. You can put your tool into a slot on the bottom of the key fob. You might also want to look out for tiny pieces that may come loose as you work.
Insert the new battery the same manner as you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-) the marks on the compartment for the battery.
Check the fob to determine if it works by pushing the button. If it fails, it might be a problem with your car that needs to be fixed or replaced by a specialist.
Certain key fobs are difficult to open and their contacts could be fragile and easily damaged. In these situations you should consult a specialist in your car or the dealer will likely be your best option. If you're looking to replace the battery, make sure to be very gentle and follow the specific instructions in your owner's manual. You may be able to locate a comparable battery at a discounter or a big-box retailer, but you'll need to consult your owner's manual to be sure that it's compatible with your vehicle.
Replacing the Internal Key
Most key fobs include the physical key mechanical that is hidden within the fob to prevent thieves. If the battery of the fob fails it leaves behind a blank internal key that is able to unlock trunks and doors (and in some cases, even start certain cars). Many people don't realize this, but they can save a trip to the dealership by simply replacing the fob battery. Most modern fobs use flat watches-style batteries that are easy to find in auto parts stores and hardware shops. Choosing the right type of battery is essential however. The wrong type can damage the circuitry, causing the fob's failure earlier.
If the problem persists even after you have replaced the battery, it could be an indication that there is something else going on in your vehicle. Go through the owner's manual to determine if you have a reset procedure that can restore the fob to factory programming. If this doesn't work you'll have to go to 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 near the steering wheel or on the dashboard. They transmit signals that allow you to unlock your car and begin it using the fob. You may need to get closer to the car to make it work.
It could be necessary for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver will usually 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 best to have a qualified mechanic perform this task so you don't break the fob or cause injury to yourself.
Reprogramming the Key
Often a non-functional key fob just requires a new battery. Since these batteries are inexpensive and easily available at pharmacies and home improvement stores, it's a good first step before buying an entirely new car key fob.
You can also re-program your key fob yourself by following some basic steps. This process varies between vehicle brands, so it's essential to read the owner's manual and study the specifics of the model you own. One key fob might require that the ignition be switched on when programming. Another might need the key to be removed and inserted repeatedly.
The basic procedure is simple. Make sure that the battery is securely in place. Then, get into the driver's seat and shut all doors EXCEPT for the driver's side door. This will ensure the new fob is communicating with the vehicle in a correct manner. Insert the old key into the ignition, then turn it ON but do not start the engine. Press the lock button while aiming the fob toward the transmission receiver. This is usually located on the front above the mirror. The key will signal to the vehicle within a short period of time that it is being programmed. This can be accomplished by turning the door locks or by emitting an audible chime. This can be a difficult process so it's essential to be aware of the timing and to not over-press the key button.
If the key fob won't work after reprogramming, try using new batteries. If the problem persists you may want to visit your local dealer or locksmith. A professional locksmith will have the tools and programming equipment necessary to re-program your car's fob, or create the key if required.
Genesky says he can usually program newer fobs at around $200-$250, depending on the model of vehicle. He's had European models rejected due to the fact that they don't have the equipment required. Luckily, the majority of aftermarket fobs can be programmable, but it's always best to check with an auto dealer first to find out what the cost is.
How do I get a brand new fob
If your key fob is simply beyond repair, you might need to get a new one. Based on the make and model, an auto locksmith or dealership may be able to help. The dealership is likely to be the most expensive option to replace your fob, however, it will also have the tools and software required to program your car properly. Many independent locksmiths offer a brand new car key fob for the lower cost.
Before you rush to get an entirely new device it's an excellent idea to try resetting your current one. The owner's guide should explain the correct reset procedure. This is usually a series button presses that restores the factory programming.
It is also recommended to check the owner's guide and warranty information to determine if you can get an alternative fob for your key. If your car is still under warranty or you have a car-insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of an entirely new fob.
Finding the right where to purchase a fob can be difficult. It is possible to go to the dealer for this service if are driving a brand new car and you want to be confident that your key fobs work correctly. However, if you want a more affordable option, it is often possible to find an independent locksmith who can provide the same service at a much lower cost.
A locksmith who is professional is a good option for those who aren't comfortable with this kind of work. They are trained and equipped to reprogram or replace the majority of car key fobs, and often, they can do it quickly. Locksmiths can also come to your house or office which is convenient for many people. remote key fob repair can cut keys and program them on the spot in case you've lost them. This is perfect for those who do not want to leave their vehicle in the garage.