Car Key Fob Repairs
Key fobs today do a lot more than unlock and start vehicles. However, the added complexity could add up to costly repairs in the event that one of them malfunctions.
The positive side is that many fobs use flat watch-style batteries that are easy to replace at home. It is possible 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 that isn't working. This is easy to fix, and it's worth a try before you go spending money on a new fob. Simply take your car to an hardware or auto parts retailer that stocks button cell batteries and purchase an alternative. You can also refer to your owner's manual (or, if you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions on opening and replacing the battery on the specific type of fob you have.
You'll need to gently pry away the sides of the majority of fobs to reach the battery. You'll require a small flat-bladed screwdriver, or a different tool with a blade that is thin. It may be helpful to look for a groove along the bottom of the fob that you can place your tool between. You may also want to keep an eye out for small pieces that may fall off while working.
Install the new battery in the same manner as you removed the old one. The positive (+) side should face the buttons, while the opposite side is facing (-) the marks on the battery compartment.
Check the fob to determine whether it is working by pressing a button. If it doesn't work, you may have an issue with your vehicle that requires a professional to fix or replace.
Certain key fobs require special tools to open and close, and the connections inside can be fragile and easily corroded. In these cases, the best option is to talk to a expert or a dealer. If you're looking to replace a battery, try to be very gentle and follow the specific instructions in the owner's manual. You might be able to find an identical battery at a big-box store or discounter, but be sure you read the owner's manual to ensure it's compatible with your vehicle.
Replace the internal key
The majority of key fobs have a physical mechanical key, but it's hidden inside the fob to prevent thieves. If the battery of the fob fails, it leaves an internal key that is blank that can unlock trunks and doors (and in some cases, start certain vehicles). Most people don't know this however, they can avoid from a trip to the dealer by simply replacing the fob battery. The majority of modern fobs utilize flat watch-style batteries that are readily available at hardware stores and auto parts shops. It is important to use the correct kind of battery. A bad battery can damage the electronic circuitry, causing the fob to fail much sooner.
If you replace the battery and find the issue is still there, it could be a sign that something else is wrong with your vehicle. Review the owner's manual of your vehicle to determine if you have a reset procedure that will restore the fob's factory programming. If this doesn't help you'll have to visit a dealership or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs can also malfunction because of faulty transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they send signals that allow you to open and start your car with the fob. If you notice that you're having to get closer and closer to your vehicle in order to make it work, there's a great chance that the transmitter isn't working.
A professional may need to open the fob's case to replace the transmitter. A simple screwdriver is enough to get the job done however some fobs come with complicated release mechanisms that require a specialized tool or equipment that is available only through a dealer. made a post is a job that should be done by a certified mechanic in order to avoid damaging the fob and yourself.
Reprogramming the Key
A key fob that is not working may simply need an upgrade in battery. Since these batteries are inexpensive and readily available at pharmacies and home improvement stores, this is the ideal first step before investing in a new car key fob.
You can also reprogram your key fob on your own If you follow a few basic steps. The process is different for different vehicles manufacturers, so it is important to refer to the owner's manual and study the specifics of your model. For instance the key fob might require that the ignition be turned on while reprogramming it. A key fob might require the key to be inserted multiple times.
The general procedure is very simple. Make sure 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 communicates with the vehicle in a proper manner. Insert the old key into the ignition and turn it on, but do not start the engine. Press the lock button while aiming the fob at the transmission receiver. This is usually located on the front, above the mirror. Within a short time frame the key will signal to the vehicle that it's being programmed by cycling the doors' locks or emitting the sound of a chime. This can be a tricky process, so pay attention to timing and don't over-press the button.
If the key fob still does not work Try reprogramming it using new batteries. If the issue persists, you might want to check with your local locksmith or dealer. A professional locksmith will have the tools and equipment needed to reprogram your car's fob or create a new one if needed.
Genesky says he can usually program newer fobs at around $200-$250, based on the model of vehicle. But he's had to refuse customers with European models because there's no equipment required. Most aftermarket fobs can be programmed, but always check with your local car dealer to determine the cost.
How do I get a brand new fob
If your key fob is simply beyond repair, you might need to get an alternative. Based on the make and model, the dealership or an auto locksmith might be able to help. The dealership is likely to be the most expensive option for a replacement fob However, they'll have all the required tools and software needed to programme your vehicle properly. Many locksmiths in independent shops provide a new car key fob at an affordable price.
Before you decide to purchase a new key fob it's an excellent idea to try resetting your current one. The owner's manual will outline the correct procedure for reset, which is usually just the pushing of a button which restores the original programming.
You should also check the owner's guide and warranty information to determine if you can get an additional fob for your key. If your car is still under warranty, or you have a car-insurance policy or auto club membership with bumper-to-bumper protection, you may be able to receive some reimbursement for the cost of the new fob.
Finding the best where to purchase a fob can be a challenge. You may want to go to the dealer for this service if you have a newer vehicle and you want to be confident that your key fobs are functioning properly. If you're looking for an option that is more affordable, it is often possible to find a locksmith who is independent who can offer the same services for a significantly lower price.
If you're not comfortable doing this kind of work yourself, a professional locksmith may be a great choice. They're trained and equipped to replace or reprogram keys for cars of all types and do it quickly. Locksmiths can also visit your office or home which is a great option for a lot of people. They can cut keys and program them on the spot in case you've lost keys. This is great for those who don't like to leave their car in the garage.