Car Key Fob Repairs
Key fobs today do much more than unlock and start vehicles. But that extra complexity can cause expensive repair costs when one of them fails.
The good news is that the majority of fobs use flat watch-style batteries that are simple to replace at home. You might find that a simple reset will allow your fob to function again.
Battery Replacement
The most common reason the key fob ceases to function is because of a dead battery. This is a simple repair, and is worth trying before you go spending money on a new key fob. Simply drive your car to a local hardware or auto parts retailer that carries button cells and choose an alternative. You can also consult the owner's manual (or YouTube for videos explaining how to replace the battery) for specific instructions on how to open and replace the battery inside your fob.
You'll have to gently pull off the sides of many fobs to access the battery. You'll need a small, flat-bladed screwdriver or another tool with a small blade. It may be helpful to look for a groove along the bottom 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 may come loose while working.
When you have your new battery, insert it the same way that you removed the old one. The positive (+) side should be facing the buttons and the negative (-) the markings on the battery compartment.
Test the fob to see whether it is working by pressing a button. If it doesn't, there could be a problem with your car that requires a professional to fix or replace.
Certain key fobs can be difficult to open and the contacts could be fragile and easily corroded. In these situations, a car specialist or dealer may be the best choice. If you need to replace batteries, you should be gentle and follow the instructions specifically in the owner's manual. You might be able locate a comparable battery at a discounter or big-box retailer but you'll have to consult your owner's manual to ensure that it's compatible with your vehicle.
Replacing the Internal Key
The majority of key fobs have a physical mechanical key that is hidden within the fob to prevent thieves. When broken key repair in the fob dies it leaves behind a blank internal key which can open doors and trunks (and in some cases start certain cars). A majority of people do not realize that they can avoid a trip to the dealership by replacing the fob batteries. Most modern fobs use flat-watch-style batteries which are easy to find at auto parts stores and hardware shops. The right kind of battery is essential however. A bad battery can damage the electronic circuitry and cause the fob to fail much faster.
If you try replacing the battery and find the problem persists it could be a sign that something else is going on in your vehicle. Review the owner's manual of your vehicle to determine if there's a reset procedure that can bring the fob back to factory programming. If this isn't working, you'll need go to a dealer or independent shop that specializes vehicle-security systems and key fob programming.
Fobs can also malfunction due to faulty transmitter receivers. They are typically located on the dashboard or close to the steering wheel, and they send signals that allow you to open and start your car with the fob. If you're being required to get closer and closer to your car to get it to work, there's a good possibility that the transmitter is not working.
It could be required for a professional to access the case of the fob in order to replace the transmitter. A simple screwdriver can usually suffice, but certain fobs require a special tool or a special piece of equipment that can only be purchased at a dealer. This 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's not working might just need a new battery. Because these batteries are cheap and readily available in pharmacies and home improvement stores, this is a good first step before buying an entirely new car key fob.
Alternatively, you may be able to re-program the fob yourself by following a few basic steps. This procedure can differ between automobiles, so refer to the owner's manual and research the model you have. For instance one key fob could require the ignition to be turned on while reprogramming it. Another may require the key to be removed and inserted repeatedly.
The basic procedure is simple. First, ensure that the new battery is in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob is communicating with the vehicle in a proper manner. Put the old key in the ignition, turn it on but do not 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 vehicle above the mirror. The key will inform the vehicle within a brief amount of time that it's being programmed. This can be accomplished by turning off the door locks, or emitting an audible chime. 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 won't work after reprogramming it, try replacing the batteries. If the issue is still there, you may want to visit your local locksmith or dealer. A professional will have the tools and programming equipment necessary to re-program your car's fob or make a new key if it's required.
Genesky says he can usually program newer fobs for around $200 to $250, based on the model of vehicle. Genesky has been denied European models rejected because there isn't the equipment required. A majority of the aftermarket fobs are programmed, but you should always inquire with your local car dealer to find out the price.
How do I get a brand new fob
If your key fob can't be repaired, you may need to buy another one. Based on the make and model, the dealer or an auto locksmith might be able to help. The dealership will likely be the most expensive alternative for replacing a fob However, they'll have all the required tools and software needed to programme your vehicle properly. Many locksmiths in independent shops offer a brand new car key fob for the lower cost.
Before you rush to get an entirely new device, it is a good idea to try resetting your current one. Your owner's manual should outline the correct procedure for reset, which is usually just the pushing of a button which restores the original programming.
It is also recommended to check the owner's guide and warranty information to see 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 that provides bumper-to-bumper coverage, you may be eligible for reimbursement for the cost of the new fob.
Finding a fob is simple enough however finding the best location to get it done can be a challenge. If you own a new car and would like the security with knowing that your keys fobs are in working condition, you may be better off visiting the dealership for this service. If you're looking for a cheaper alternative, it's possible to find a locksmith that will provide the same service at an affordable cost.
If you're not comfortable doing this kind of work yourself A professional locksmith could be a great choice. They are equipped and trained to change or reprogram car key fobs of all kinds and do it quickly. In addition, a locksmith is often able to come to your workplace or home to complete the task, which can be very useful for certain people. They can even cut and program keys on-site in case you've lost keys, which is great for those who don't like to leave their vehicles unattended.