Many Of The Common Errors People Make With Car Key Fob Repair
Many Of The Common Errors People Make With Car Key Fob Repair
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Car Key Fob Repairs
Today's key fobs are more than just a way to unlock and start vehicles. But that extra complexity can result in costly repairs in the event that one of them malfunctions.
The good news is that most fobs are equipped with flat-watch-style batteries that are simple to replace at home. You may find that a simple reset is enough to bring your fob back to life.
Battery Replacement
The most frequent reason why a key fob stops working is because of a dead battery. This is easy to repair, and is worth trying before you spend money on a new key fob. Simply take your car to an auto parts store or a hardware retailer that stocks button cells and choose an alternative. 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 open and replace the battery in your fob.
Most fobs come with two halves that snap together -- you'll need to gently pull the sides apart to get to the battery. You'll usually need a small screwdriver or another tool with a thin, flat blade. It's a good idea to look for a notch on the lower edge of the fob that you can use to put your tool in between. You may also want to keep an eye for tiny pieces that might break loose as you work.
Insert the new battery the same way you removed the old one. Make sure that the positive (+) side is facing up 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 if it works by pushing a button. If it isn't working, there may be a problem with your vehicle that needs to be fixed or replaced by a professional.
Some key fobs are difficult to open and their contacts may be fragile and easily corrosion-prone. In these situations you should consult a specialist in your car or the dealer will likely be the best choice. When replacing a battery be gentle and follow your owner's manual. You might be able find a similar battery at a discounter or a big-box retailer, but you'll need to check the owner's manual to be sure that it matches your car.
Replace the internal key
Most key fobs contain an actual mechanical key, but it's hidden inside the fob to keep it from being stolen. 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 start certain vehicles). Most people don't realize that they can avoid a trip to a dealership by recharging the fob batteries. The flat watch-style battery is used in the majority of modern fobs. These batteries are easily found in hardware stores and auto parts stores. The right kind of battery is important however. The wrong type can damage the circuitry and lead to the fob's failure earlier.
If the problem continues to persist after replacing the battery, it could be an indication that something else is wrong in your vehicle. Go through the owner's manual to see if there's a reset procedure that will restore the fob's factory-setup. If this doesn't help then you'll need to visit a dealer or an independent shop that specializes in vehicle security systems and fob programming.
Fobs could also fail due to faulty transmitter receivers. They are typically located on the dashboard or next to the steering wheel, and they send signals that allow you to unlock and start your car using the fob. If you notice that you're being required to get closer and closer to your vehicle to get it to work, there's a good chance the transmitter is failing.
It may be necessary for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver is enough to do the job however some fobs come with complicated release mechanisms that require a specific tool or specialized equipment that is available only through a dealer. It's best to have a qualified mechanic do this job so that you don't damage the fob or cause injury to yourself.
Reprogramming the Key
A key fob that's not working might just need an upgrade in battery. These batteries are easily found in pharmacy and home improvement stores and are cheap. This is a good way to start before buying the new key fob.
You may also be able to program the fob by following a few basic steps. This procedure can differ between vehicles, so you should refer to the owner's manual and study the specific model of your vehicle. A key fob may require that the ignition be turned on while changing the program. Another might need the key to be inserted and removed multiple times.
The general procedure is very simple. Make sure that the battery is securely in place. Close all doors, except the driver's door. This will ensure that the new key fob can communicate with the vehicle in a proper manner. Then, put the old key back in the ignition and turn it on to the ON position, but don't start the engine. Then press the lock button on the fob, while making sure to point it towards the transmission receiver, which is usually located on the front of the car above the mirror. The key will notify the vehicle within a brief amount of time that it's being programmed. This can be done by cycling the door locks or emitting an audible chime. This can be a difficult process, so it's important to be aware of the timing and not to over-press the key button.
If the key fob doesn't work, try reprogramming it again using new batteries. If the problem persists you may want to visit your car dealer or locksmith. A professional locksmith will have the tools and equipment to reprogram your car fob or create a new one, if required.
Genesky says he's able to program newer fobs at around $200-$250, based on the g28carkeys vehicle. However, he's had the need to turn down customers who have European models because they don't have the costly equipment they require. Luckily, the majority of aftermarket fobs are programmable however it's recommended to consult the dealer of your choice first to find out the price.
A New Fob
If your key fob is simply damaged beyond repair, you could need to get a new one. Based on the make and model, the dealer 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 needed to programme your vehicle properly. If you're looking for a cheaper solution, a variety of locksmiths can offer you a brand-new car key fob for a more affordable price.
It is a good thing to attempt to reset the fob you have before you rush out to buy another one. The owner's guide should explain the correct procedure for reset. It is typically an orderly press which restores the factory settings.
It is an excellent idea to review your owner's manual as well as warranty information before deciding which place to go for a key fob replacement. If your vehicle's warranty is still in effect or you have an auto club or car insurance policy that covers bumper-to-bumper you could qualify for a reimbursement on the cost of a replacement fob.
Getting a fob is easy enough however finding the best location to get it done can be a challenge. You might want to go to the dealer for this service if you are driving a brand new car and want peace of mind knowing that your key fobs are functioning properly. However, if you're looking for an affordable alternative it is usually possible to find an independent locksmith who can provide the same service for a significantly lower price.
A locksmith who is professional is a great option if you're not comfortable doing this type of work. They are skilled and equipped to replace or reprogram all kinds of car key fobs and they can often complete the task quickly. A locksmith can also visit your house or office which is convenient for many people. They can cut and program keys on the spot in case you've lost keys. This is ideal for those who don't want to leave their vehicle in the garage.