Car Key Fob Repairs
Key fobs today do much more than just unlock and start vehicles. However, that added complexity can cause costly repairs when one of them fails.
The good news is that the majority of fobs have flat-watch-style batteries that are easy to replace at home. You may find that a simple reset can allow your fob to function again.
Battery Replacement
A dead battery is the most common reason for a key fob that isn't working. It's simple to solve and is worth a try before you purchase the replacement fob. Take your car to a local hardware or auto parts retailer that carries 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 get specific instructions on how to replace and open the battery in your fob.
The majority of fobs have two halves that snap together -You'll need to pull the sides apart in order to access the battery. You'll need a small flat-bladed screwdriver, or a different tool with a blade that is thin. It's a good idea to look for a notch along the bottom of the fob that you can use to wedge your tool between. You may also want to keep an eye out for tiny pieces that might break loose while working.
Insert the new battery in the same way as you removed the previous one. Make sure that the positive (+) side is facing upwards toward the buttons and that the negative (-) side of the battery is aligned with the markings in the battery compartment of your fob.
Push a button to test the fob. If it doesn't work, you may have an issue with your car that requires a professional to fix or replace.
Some key fobs require special tools to open, and the contacts inside can be fragile and easily corroded. In key car repair should consult a specialist in your car or a dealer could be the best choice. When replacing a battery, be gentle and follow your owner's instructions. You may be able to locate the same battery at a big-box retailer or discounter, however, make sure you read the owner's manual to ensure it's compatible with your car.
Replace the internal key
To protect against theft, the majority of key fobs have an electronic key inside. When the fob battery dies it leaves an internal key blank that can unlock trunks and doors (and in some cases, start certain cars). The majority of people don't realize they can avoid a trip to the dealership by replacing the fob's batteries. The flat watch-style battery is used in most modern fobs. These batteries are easily located at hardware and auto parts stores. It is essential to choose the right type of battery. A wrong type of battery can harm the electronic circuitry, causing the fob to fail much sooner.
If the problem continues to persist after you replace the battery, it could be a sign that something else is going on with your vehicle. If you have an owner's manual, check to see if you can use a reset procedure to restore the fob's original programming. If that doesn't help you'll have to go to a dealership or an independent shop that specializes in vehicle-security systems and fob programming.
Fobs may also fail due to malfunctioning transmitter receivers. These are usually built into the dashboard or next to the steering wheel, and they transmit signals that allow you to unlock and start your car using the fob. It is possible that you will need to get closer to the car in order to enable it.
It might be required for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver is usually enough to suffice, but certain fobs require a special tool or equipment which can only be found at a dealer. It's best to have a qualified mechanic do this job so that you don't accidentally break the fob or hurt yourself.
Reprogramming the Key
A key fob that's not working may simply need an upgrade in battery. These batteries are readily available in pharmacy and home improvement stores and are inexpensive. This is a good method to start before you purchase an entirely new key fob.
You can also reprogram your key fob on your own by following some basic steps. This procedure can differ between vehicles, so you should refer to the owner's manual and research the model you have. One key fob might require that the ignition switch be turned on while programming. One key fob may require the key to be inserted several times.
The basic procedure is easy. First, make sure the new battery is firmly in place. Then, get in the driver's seat and close all doors EXCEPT for the driver's side door. This will ensure that the new fob is communicating with the vehicle correctly. Then, place the old key back in the ignition and switch it to the ON position, 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 indicate to the vehicle that it's programmed by triggering the doors locks or emitting an emitted sound. This process can be tricky and it's crucial to be attentive to the timing and to not over-press the key button.
If the key fob does not work after reprogramming it, try using a new battery. If the issue is still there, you might want to visit your local dealer or locksmith. A professional locksmith will have the tools and equipment to reprogram your car's fob or make a new key if it's needed.
Genesky says he's able to program newer fobs for around $200-$250, based on the vehicle. But he's had to turn away customers with European models because there's no equipment they require. Luckily, the majority of aftermarket fobs are programmable, but it's always best to check with a car dealer first to see the price.
A New Fob
If your key fob is beyond repair, you may need to purchase a new one. Based on the make and model, the dealer or an auto locksmith might be able to help. The dealership is likely to be the most expensive option for a replacement fob but it will also have the tools and software needed to program your car properly. Numerous locksmiths who are independent provide a new car key fob for a much lower price.
Before you rush to get an entirely new device it's recommended to consider resetting your current device. The owner's guide should explain the correct reset procedure. This is usually a series button presses that restores the factory programming.
It's also a good idea to review your owner's manual as well as warranty information prior to deciding where 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 with bumper-to-bumper coverage, you may be eligible to receive a reimbursement for the cost of a new fob.
Finding the best where to purchase a fob can be difficult. You may want to visit the dealer to get this service if you are driving a brand new car and you are looking to feel secure knowing that your key fobs work correctly. If you are seeking a less expensive alternative, it's possible to find a locksmith who will provide the same service for less cost.
A locksmith professional is a great choice If you're not confident doing this kind of work. They are equipped and trained to change or reprogram keys for cars of all types and do it quickly. In addition, a locksmith can often come to your home or office to complete the task which is useful for certain people. They can even cut and program keys on-site when you've lost them, which is ideal for those who don't like to leave their cars in the dark.