Car Key Fob Repairs
Key fobs today do a lot more than unlock and start cars. However, the added complexity could cause costly repairs when one of them fails.
The good news is that the majority of fobs are equipped with flat-watch-style batteries that are simple to replace at home. You might find that a simple reset can bring your fob back to life.
Battery Replacement
A dead battery is the most frequent cause of a key fob not working. It's simple to repair and worth a try before you purchase the replacement fob. You can buy a new button cell battery at your local auto parts store or hardware retailer if you have one. You can also consult your owner's guide (or YouTube for videos explaining how to replace the battery) to get specific instructions on how to replace and open the battery inside your fob.
You'll need to gently pry 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 may be helpful to look for a groove along the bottom of the fob that you can put your tool in between. You may also want to be on the lookout for small pieces that may fall off while working.
Insert the new battery the same way you removed the old one. The positive (+) side should face the buttons and the reverse (-), the markings on the battery compartment.
Press a button to test the fob. If it doesn't work, you might have an issue with your vehicle that requires a professional to repair or replace.
Certain key fobs are difficult to open, and the contacts may be brittle and easily corroded. In these cases the best choice is to consult a car expert or dealer. When replacing a battery be gentle and follow the owner's manual. You might be able to locate a comparable battery at a discounter or big-box retailer however, you'll need to refer to your owner's manual to make sure that it matches your car.
Replace the internal key
The majority of key fobs have an actual mechanical key however, it's hidden within the fob to stop thieves from getting. When the battery in the fob dies it leaves behind a blank internal key which can open trunks and doors (and in some cases, start certain cars). Many people don't realize this however, they can avoid having to go to the dealership by simply replacing the fob's battery. The flat watch-style battery is found in the majority of modern fobs. These batteries can be located at hardware stores and auto parts stores. Using the correct type of battery is important however. A wrong battery can harm the circuitry and lead to the fob's failure much sooner.
If you change the battery, and the issue persists, it could be a sign that something else is wrong in your vehicle. Go through the owner's manual to see if there's a reset procedure that can restore the fob to the factory program. If this doesn't work then you'll need to visit a dealer or an independent shop that specializes in vehicle security systems and fob programming.
Fobs can also fail because of faulty transmitter receivers. These are usually located near 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 notice that you're required to move closer and closer to your car to get it to work, there's a good possibility that the transmitter is not working.
A professional may need to open the case to replace the transmitter. A simple screwdriver can usually get the job done however, some fobs have complicated release mechanisms that require a special tool or equipment that is available only through a dealer. This job 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 might just need a new battery. These batteries are easily found in pharmacy and home improvement stores and are inexpensive. This is a great way to start before buying the new key fob.
Alternately, you might be able to re-program the fob on your own by following some basic steps. The process is different for different vehicles manufacturers, so it is important to read the owner's manual and research the specifics of your model. For instance one key fob could require that the ignition be turned on while reprogramming it. Another key might require the key to be inserted and removed multiple times.
The general procedure is very simple. Make sure the battery is securely in place. Then, sit in the driver's seat and shut all doors, excluding the driver's side door. G28 Car Keys will ensure that the new key fob communicates with the vehicle in a proper manner. Then, place the old key back in the ignition and switch it to the ON position, but do not start the engine. Then press the lock button on the fob, while looking at the transmission receiver, which is usually located on the front of the vehicle 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 cycling the door locks or by emitting an audible chime. This can be a difficult process and it's crucial to be attentive to the timing and to not over-press the key button.
If the key fob still doesn't work try reprogramming it with fresh batteries. If the issue isn't resolved you should visit the dealer of your vehicle or locksmiths should be considered. A professional locksmith will have the tools and equipment to reprogram your car's fob or create a new one if needed.
Genesky says he's able to program newer fobs between $200 and $250, based on the model of vehicle. But he's had to refuse customers with European models because he doesn't have the expensive equipment required. The majority of aftermarket fobs can be programmed, but you should always consult your local car dealer to determine the price.
Finding a New Fob
If your key fob cannot be repaired, you might have to purchase an entirely new one. Based on the make and model, the dealership or an auto locksmith may be able to help. The dealership will likely be the most expensive alternative for replacing a fob however, they'll have all of the necessary tools and software to programme your vehicle properly. For a more affordable solution, many independent locksmiths will be able to provide you with a brand-new car key fob for a more affordable price.
It's a good idea to attempt to reset your current fob before you make the decision to purchase a new one. The owner's manual will outline the correct procedure for reset which is typically pushing a few buttons that restores the original programming.
It is also a good idea to check your owner's manual and warranty information before you decide which place to go for the replacement of your key fob. If your vehicle is under warranty, or you have a car-insurance policy or auto club membership that includes bumper-to-bumper protection, you may be eligible for reimbursement for the cost of an entirely new fob.
The process of getting a fob can be simple enough, but finding the right location to get it done can be tricky. If you have a relatively new vehicle and you want the assurance with knowing that your key fobs are in good working condition, you might be better off visiting the dealership to get this service. If you're looking for a more affordable 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 certified and equipped to replace or reprogram the majority of car key fobs, and they can often do it quickly. Locksmiths can also come to your office or home which is convenient for a lot of people. They can even cut and program keys on-site in case you've lost them, which is ideal for those who don't like to leave their cars unattended.