Car Key Fob Repairs
Today's key fobs do a lot more than unlock and start vehicles. This added complexity can result in costly repairs if it breaks.
It's a good idea to know that a majority of fobs are powered by flat watch-style batteries which can be replaced at home. And you may find that a reset will get yours working again.
Battery Replacement
The most frequent reason why a key fob stops working is because of a dead battery. It's easy to fix and worth trying before you invest in an alternative fob. Simply take your car to an auto parts store or a hardware retailer that sells button cell batteries and purchase an alternative. You can also consult your owner's manual (or in the event that you don't have one, YouTube is full of videos from people who show you how to do it) for specific instructions for opening and replacing the battery on the specific type of fob you have.
You'll have to gently pull apart the sides of most fobs in order to access the battery. You'll require a small flat-bladed screwdriver, or a different tool with a blade that is thin. You can put your tool into a notch on the bottom of the key fob. You might also want to look out for small pieces that could break loose while you work.
When you have your new battery, insert it the same way that you removed the previous one. Make sure that the positive (+) side is facing up toward the buttons and that the negative (-) side of the battery is aligned correctly with the markings inside the battery compartment of your fob.
Push a button to test the fob. If it doesn't work, there could be an issue with your vehicle that requires a specialist to fix or replace.
Certain key fobs can be difficult to open, and the contacts could be fragile and easily corrosion-prone. In these cases the best solution is to talk to a specialist or dealer. When replacing a battery, be patient and follow your owner's instructions. You might be able to find a battery similar in a big-box store or discounter, but make sure you read your owner's guide to ensure that it's compatible with your vehicle.
Replace the internal key
Most key fobs include a physical mechanical key that is hidden within the fob to stop thieves from getting. When the battery in the fob dies, it leaves behind a blank internal key that can unlock doors and trunks (and in some cases, start certain cars). Most people don't realize they can save a trip to a dealership by replacing the fob batteries. Most modern fobs use flat watch-style batteries that are readily available in auto parts stores and hardware shops. It is essential to choose the correct type of battery. A wrong battery can harm the circuitry and lead to the fob to fail much earlier.
If you change the battery and discover that the problem persists it could be an indication that something else is happening with your vehicle. Review the owner's manual of your vehicle to see if there's a reset procedure that will bring the fob back to factory programming. If this doesn't work, 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 malfunctioning transmitter receivers. These are usually located close to the steering wheel, or on the dashboard. They transmit signals that allow you to unlock your car and start it with the fob. If you're being required to get closer and closer to your car to be able to make it work, there's a high chance the transmitter is failing.
A professional may need to open the case to replace the transmitter. A simple screwdriver will usually accomplish the task, but some fobs have complicated release mechanisms that require a specific tool or specialized equipment that is available only at a dealer. It's a good idea to have a certified mechanic handle this job to ensure you don't damage the fob or hurt yourself.
Reprogramming the Key
Often a non-functional key fob simply requires a new battery. These batteries are easily found in home improvement and pharmacy stores and are affordable. This is a great option to begin before purchasing an entirely new key fob.
You can also reprogram your key fob yourself by following a few basic steps. The procedure varies for different vehicle brands, so it's essential to refer to the owner's manual as well as research the specifics of your model. read on might require the ignition to be switched on when reprogramming. Another may 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, get in the driver's seat, and close all doors, excluding the driver's side door. This will ensure that the new key fob is communicating with the vehicle in a proper manner. Place the old key in the ignition and turn it on however, do not start the engine. Press the lock button while aiming the fob toward the transmission receiver. This is typically located on the left side, just above the mirror. In a short period of time the key will announce to the vehicle that it's being programmed by cycling the doors' locks or emitting an emitted sound. This procedure can be difficult and it's crucial to be aware of the timing and to not over-press the key button.
If the key fob still does not work Try reprogramming it with fresh batteries. If the problem persists then a visit to your car dealer or locksmiths should be considered. A professional will have all the tools and equipment needed to reprogram your car fob, or even create a brand new one if needed.
Genesky says that he can program newer fobs that range between $200 and $250, based on the model of vehicle. He's experienced European models turned away because they don't have the equipment required. The majority of aftermarket fobs can be programmed, but always inquire with your local dealer to determine the price.
How to get a new fob
If your key fob is damaged beyond repair, you could need to purchase a new one. Depending on the make and model, the dealer or an auto locksmith may be able to help. The dealership will likely be the most expensive option for a replacement fob however, they'll have all the required tools and software needed to program your car correctly. Many independent locksmiths offer a brand new car key fob for an affordable price.
It is a good thing to try to reset your current device before you make the decision to purchase another one. The owner's manual will outline the correct procedure for reset that is typically the pushing of a button that restores the original programming.
It's also a good idea to check your owner's manual and warranty information before deciding where to go for a key fob replacement. If your vehicle is under warranty, or you have a car-insurance policy or auto club membership with bumper-to-bumper coverage, you may be able to receive some reimbursement for the cost of the new fob.
Finding the right place to get a fob can be difficult. If you have a relatively new car and would like the assurance from knowing that your key fobs are in good order, you may be better off going to the dealership to get this service. If you're looking for a more affordable alternative, it is possible to find a locksmith who will offer the same service at less cost.
If you're not confident handling this type of work on your own, a professional locksmith may be a great choice. They're trained and equipped to change or reprogram key fobs for cars of all types, and can do so quickly. Additionally, locksmiths will often visit your workplace or home to do the job which is convenient for some people. They can cut and program keys on site if you've lost keys. This is ideal for those who do not like to leave their car without a key.