Car Key Fob Repairs
Key fobs of today do a lot more than unlock and start vehicles. However, the added complexity could add up to costly repairs if one of them breaks.
It's important to know that the majority of fobs are powered by flat watch-style batteries, which can be easily replaced at home. It is possible that a simple reset can allow your fob to function again.
Battery Replacement
A dead battery is the most frequent reason for a key fob not working. This is easy to fix, and it's worth trying before you go spending money on a new fob. You can purchase a new button cell battery at your local auto part retailer or hardware store in the event that you already have one. You can also consult 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 in your fob.
Most fobs have two halves that snap together- you'll need to gently pry the sides apart in order to access the battery. You'll typically need a small screwdriver or a different tool that has a flat, thin blade. It may be helpful to look for a groove along the lower edge of the fob that you can place your tool between. It is also advisable to keep an eye for tiny pieces that might break loose while you work.
When you have your new battery, place it in the same way that you removed the old one. Make sure the positive (+) side is facing upwards toward the buttons and that the negative (-) side of the battery is aligned correctly with the markings in the battery compartment of your fob.
Press a button to test the fob. If it doesn't, you may have an issue with your car that requires a specialist to repair or replace.
Certain key fobs can be difficult to open, and the contacts may be brittle and easily corroded. In these situations an expert in the field or the dealer will likely be the best choice. If you're looking to replace batteries, you should be very gentle and follow the instructions that are specific to the owner's manual. You may be able to find a similar battery at a discounter or big-box retailer however, you'll need to refer to your owner's manual to make sure that it's compatible with your vehicle.
Replace the internal key
To guard against theft, many key fobs come with a mechanical key hidden inside. If the battery inside the fob fails, a blank key is left behind and can be used to open trunks and doors. In some instances the key could even start certain cars. The majority of people do not realize that they can avoid a trip to a dealership by replacing the fob's batteries. The majority of modern fobs utilize flat-watch-style batteries which can be found in hardware stores and auto parts shops. Using the correct 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 even after you have replaced the battery, it may be a sign that there is something else wrong in your vehicle. If you have an owner's guide look for there is a reset option available to restore the fob's factory programming. If this doesn't help then you'll need to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.
Fobs can also malfunction due to faulty transmitter receivers. They are typically located close to the steering wheel, or on the dashboard. They transmit signals that allow you to unlock your vehicle and start it using the fob. If you're having to get closer and closer to your car in order to make it work, there's a good chance the transmitter is failing.
A professional might need to open the case of the fob to replace the transmitter. A simple screwdriver can usually suffice, but certain fobs require a special tool or a special piece of equipment that can only be purchased at a dealer. It is a good idea to have a qualified mechanic perform this task so you don't break the fob or hurt yourself.
Reprogramming the Key
A key fob that's not working may simply need an upgrade in battery. They are easily available in home improvement and pharmacy stores and are affordable. This is a great method to start before you purchase a new key fob.
You may also be able to reprogram the fob yourself by following a few basic steps. car key repair cost can vary between vehicles, so you should refer to the owner's manual and research the model you have. For instance, one key fob may require the ignition to be switched on while reprogramming the key. A key fob might require the key to be inserted several times.
The basic procedure is simple. First, make sure the new battery is firmly in place. Then, get into the driver's seat and shut all doors EXCEPT for the driver's side door. This will ensure that the new fob is communicating with the vehicle properly. Place the old key in the ignition, turn it on but don't start the engine. Press the lock button while aiming the fob at the receiver of the transmission. This is usually located on the left side, just above the mirror. The key will inform the vehicle within a brief amount of time that it's being programmed. This can be accomplished by turning the door locks or by emitting an audible chime. This is a difficult process, so pay attention to the timing and avoid pressing too hard the button.
If the key fob won't function after reprogramming, you can try using a new battery. If the issue is still there, you might want to visit your car dealer or locksmith. A professional will have all the tools and equipment required to reprogram your car's fob or create a new one if needed.
Genesky says he's able to program newer fobs for $200-$250, depending on the model of vehicle. Genesky has been denied European models turned away because they don't have the equipment required. The majority of aftermarket fobs can be programmed, but you should always inquire with your local car dealer to determine the price.
A New Fob
If your key fob is beyond repair, you may need to get an alternative. Depending on your vehicle's make and model, an auto locksmith or a dealership may be able 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 correctly. Many locksmiths in independent shops offer a brand new car key fob at a much lower price.
It's a good idea to try to reset the fob you have before you make the decision to purchase a new one. The owner's manual should explain the proper procedure for reset, which is usually just a series of button pushes that reset the factory settings.
It is also a good idea to review your owner's manual and warranty information before deciding the best place to get a key fob replacement. If your car is still under warranty, or you have a car insurance policy or auto club membership with bumper-to-bumper insurance, you might be eligible to receive a reimbursement for the cost of the new fob.
Finding the best location to purchase a fob can be a challenge. You may want to visit the dealer for this service if you are driving a brand new car and want peace of mind knowing that your key fobs work correctly. If you are looking for a cheaper alternative, it is possible to find a locksmith who will offer the same service at a lower price.
A professional locksmith is a great choice if you're not comfortable doing this type of work. They are equipped and trained to repair or replace key fobs for cars of all types, and can do so quickly. Locksmiths is also able to visit your house or office which is a great option for many. They can also cut and program keys on site if you've lost keys. This is great for those who do not want to leave their vehicle in the garage.