Car Key Fob Repairs
Key fobs today can do more than unlock and start cars. But that extra complexity can result in high repair bills when one of them fails.
It's good to know that a majority of fobs are powered by flat watch-style batteries which can be replaced at home. You may even find that a reset will bring it back to life.
Battery Replacement
The most common reason a key fob stops working is because of the battery being dead. This is a simple fix, and it's worth trying before you spend money on a new key fob. Simply take your car to a local auto parts store or hardware retailer that sells button cells and choose a replacement. You can also refer to the owner's manual (or in the event that you don't have one, YouTube is full of videos from people explaining how to do it) for specific instructions on opening and replacing the battery in the particular type of fob.
Most fobs come with two halves that snap togetheryou'll have to gently pull the sides apart to access the battery. You'll need a small flat-bladed screwdriver or another tool with a small blade. You can wedge your tool into a slot on the bottom of the key fob. It is also advisable to keep an eye for tiny pieces that could break loose while working.
Once you have the new battery, insert it in the same way that you removed the previous 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 inside the battery compartment of your fob.
Check the fob to determine whether it functions by pressing the button. If it doesn't work, there could be a problem with your car that requires a specialist to repair or replace.
Certain key fobs can be difficult to open and their contacts may be fragile and easily corrosion-prone. In these situations an expert in the field or dealer may be your best option. When replacing a battery, be gentle and follow the owner's instructions. You may be able find a battery similar at a big-box retailer or discounter, but be sure you read the owner's manual to make sure that it's compatible with your vehicle.
Replace the internal key
Most key fobs contain a physical mechanical key that is hidden within the fob to prevent thieves. When the fob battery dies, it leaves an internal key blank that is able to unlock doors and trunks (and in some cases, even start certain vehicles). The majority of people don't realize they can avoid a trip to a dealership by replacing the fob's batteries. The flat watch-style battery is found in the majority of modern fobs. These batteries can be found at hardware stores and auto parts stores. Choosing the right type of battery is essential, however. A bad battery can damage the electronic circuitry, causing the fob to fail faster.
If the problem continues to persist after you replace the battery, it could be an indication that there is something else wrong with your vehicle. If you have an owner's manual, check to see if you can use a reset procedure to restore the fob's original programming. If this fails, you'll need to visit a dealership or independent shop that specializes security systems for vehicles and key fob programming.
Fobs can also malfunction because of faulty transmitter receivers. They are usually found close to the steering wheel, or on the dashboard. They transmit signals to enable you to unlock your vehicle and start it using the fob. If you're being required to get closer and closer to your vehicle to be able to make it work, there's a good chance that the transmitter isn't working.
It may be required for a professional to access the case of the fob in order to replace the transmitter. A simple screwdriver is enough to accomplish the task, but some fobs have complicated release mechanisms that require a special tool or equipment that is available only at a dealer. It's a good idea to have a qualified mechanic handle this job to ensure you don't break the fob or hurt yourself.
Reprogramming the Key
A key fob that is not functioning just requires a new battery. They are easily available in pharmacy and home improvement stores and are cheap. This is a good way to start before buying a new key fob.
Alternatively, you may be able to program the fob on your own by following some basic steps. This process varies between vehicle brands, so it's essential to consult your owner's manual and study the specifics of the model you own. One key fob could require that the ignition be on when changing the program. One key fob could require the key to be inserted multiple times.
The general procedure is very simple. First, make sure that the new battery is in place. Close nearby key repair shop , except the driver's door. This will ensure that the new key fob is communicating with the vehicle properly. Then, place the old key back in the ignition and turn it on to the ON position, but do not start the engine. Press the lock button while aiming the fob toward the receiver for transmission. It is usually located on the front, above the mirror. The key will inform the vehicle within a short period of time that it's being programmed. This can be accomplished by turning off the door locks or emitting an audible chime. This can be a difficult process, so it's important to pay attention to the timing and to not over-press the key button.
If the key fob doesn't work after reprogramming, try replacing the batteries. If the problem persists, a visit to your dealer for your car or a locksmith should be considered. A professional will have all the tools and equipment needed to reprogram the car fob or create a new one if needed.
Genesky says he's able to program newer fobs for $200 to $250, based on the vehicle. However, he's had to turn away customers with European models because he doesn't have the expensive equipment required. Fortunately, many aftermarket fobs are programmable, but it's always best to talk to an auto dealer first to see what the cost is.
How do I get a new fob
If your key fob cannot be fixed, you could require another one. Depending 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 option for a replacement fob, but it also has the tools and software necessary to program your car properly. Many locksmiths in independent shops offer a brand new car key fob for the lower cost.
It is a good thing to try to reset the fob you have before you decide to buy an entirely new one. The owner's guide should explain the correct reset procedure. This is usually a series button presses that restores the factory programming.
You should also look over the owner's guide and warranty information to see whether you can obtain a replacement key fob. If your car is under warranty, or you have a car insurance policy or auto club membership that includes bumper-to-bumper coverage, you may be eligible for reimbursement for the cost of the new fob.
Finding the best where to purchase a fob can be a challenge. If you have a relatively 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 going to the dealership to get this service. If you're looking for a cheaper alternative, it is possible to find a locksmith who will offer the same service at less cost.
If you're not comfortable doing this type of work yourself, a professional locksmith can be a good option. They are trained and equipped to replace or reprogram car key fobs of all kinds, and can do so quickly. In addition, a locksmith is often able to come to your office or home to do the job which is convenient for some people. They can even cut and program keys on-site if you have lost keys, which is great for those who prefer not to leave their cars unattended.