Car Key Fob Repairs
Key fobs of today do a lot more than unlock and start vehicles. This added complexity can cause costly repair costs when it fails.
It's good to know that most fobs are powered by flat-watch-style batteries which can be replaced at home. And you may find that a reset can make your device work again.
Battery Replacement
A dead battery is the most common reason for the fob's key not working. It's a simple solve and is worth a try before you invest in the replacement fob. You can pick up the new button cell at your local auto part store or hardware retailer If you own 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 open and replace the battery in your fob.
You'll need to gently pry away the sides of the majority of fobs in order to access the battery. It's usually a screwdriver or some other tool equipped with a thin, flat blade. It's a good idea to look for a groove along the lower edge of the fob that you can wedge your tool between. It is also advisable to be on the lookout for small pieces that may fall off while working.
Install the new battery in the same way you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-) the markings on the battery compartment.
Test the fob to see whether it is working by pressing the button. If it doesn't, you may have a problem with your car that requires a professional to repair or replace.
Some key fobs are difficult to open and the contacts may be fragile and easily corrosion-prone. In these cases, a car specialist or the dealer will likely be the best choice. If you're looking to replace a battery, try to be very gentle and adhere to the instructions that are specific to the owner's manual. You might be able locate a comparable battery at a discounter or a big-box retailer however, you'll need to consult your owner's manual to ensure that it matches your car.
Replace the internal key
Most key fobs include an actual mechanical key, but it's hidden inside the fob to keep it from being stolen. When the battery in the fob fails, a blank key is left behind and can be used to open trunks and doors. In certain cases, this key can even start certain vehicles. repair car key don't know this, but they can save a trip to the dealership by simply replacing the fob's battery. Most modern fobs have flat watches-style batteries that are readily available in hardware stores and auto parts shops. The right kind of battery is important however. The wrong kind can damage the electronic circuitry, which can cause the fob to fail faster.
If the problem continues to persist even after you have replaced the battery, it could be an indication that there is something else going on with your vehicle. Check your owner's manual to determine if you have a reset procedure that will restore the fob to factory-setup. If this doesn't work, you'll have go to a dealer or independent shop that specializes security systems for vehicles and key fob programming.
Fobs could also fail due to malfunctioning transmitter receivers. They are usually found close to the steering wheel, or in the dashboard. They transmit signals to enable you to unlock your vehicle and start it using the fob. You may need to get closer to the car to make it work.
It may be required for a professional to remove the case of the fob in order to replace the transmitter. A simple screwdriver is enough to do the job, but some fobs have complex release mechanisms that require a specialized tool or specialized equipment available only through a dealer. This task must be handled by a certified mechanic in order 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. Because these batteries are cheap and easily available at pharmacies and home improvement stores, it's the ideal first step before purchasing a new car key fob.
You can also reprogram your key fob yourself by following some basic steps. This procedure can differ between vehicles, so it is recommended to refer to the owner's manual and research your specific model. For instance one key fob could require the ignition to be switched on while reprogramming the key. Another key might require the key to be removed and inserted multiple times.
The process is straightforward. Make sure that the battery is securely in place. Then, get into the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure that the new key fob can communicate with the vehicle in a proper manner. Insert the old key into the ignition, turn it on, but don't start the engine. Then press the lock button on the fob while looking at the transmission receiver, which is typically located in the front of the car above the mirror. The key will notify the vehicle within a short period of time that it's being programmed. This can be accomplished by turning the door locks, or emitting an audible chime. This procedure can be difficult, so it's important to be attentive to 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 you might want to check with your local dealer or locksmith. A professional will have the tools and programming equipment necessary to re-program your car's fob, or create a new key if it's needed.
Genesky says he's able to program newer fobs for around $200-$250, based on the vehicle. However, he's had the need to turn down customers who have European models because there's no equipment they require. Most aftermarket fobs can be programmed, but always inquire with your local car dealer to determine the price.
How to get a new fob
If your key fob is beyond repair, you might need to get an entirely new one. Depending on the make and model, an auto locksmith or dealership may be able to help. The dealership is likely to be the most expensive choice for a replacement fob but it also has the tools and software required to program your car properly. For a more affordable solution, a variety of locksmiths can provide you with a brand-new car key fob for a much more reasonable price.
It is a good thing to try to reset your current device before you make the decision to purchase an entirely new one. The owner's manual should provide the correct method of reset. It is typically an orderly press which restores the factory settings.
You should also look over the owner's guide and warranty information to see if you can get an additional fob for your key. If your vehicle's warranty is still active or you have an auto club or insurance policy that covers bumper-to-bumper you could qualify for a reimbursement on the cost of replacing the fob.
Finding a fob is simple enough however, finding the right location to do it can be tricky. If you have a relatively new vehicle and you want the assurance with knowing that your key fobs are in working condition, you might be better off visiting the dealership to get this service. However, if you want an option that is more affordable it is usually possible to find a locksmith independent who can offer the same services at a much lower cost.
A locksmith professional is a great option if you're not comfortable doing this type of work. They are trained and equipped to change or reprogram keys for cars of all types and can do it quickly. A locksmith is also able to visit your office or home which is a great option for a lot of people. They can also cut and program keys on site if you've lost keys. This is great for those who don't want to leave their vehicle in the garage.