Car Key Fob Repairs
Key fobs today can do much more than simply unlock and start vehicles. This extra complexity can result in costly repairs if it breaks.
The positive side is that many fobs use flat watch-style batteries that are simple to replace at home. It is possible that a simple reset will allow your fob to function again.
Battery Replacement
A dead battery is the most common reason for a key fob not working. It's simple to solve and is worth a try before you purchase the replacement fob. You can purchase an additional button cell battery at your local auto parts store or hardware retailer If you own one. 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 remove and replace the battery in your fob.
You'll need to gently pull apart the sides of most fobs to reach the battery. You'll usually need a small screwdriver or another tool equipped with a thin, flat blade. It's a good idea to look for a notch along the lower edge of the fob that you can use to place your tool between. You may also want to keep an eye out for small pieces that may fall off while working.
When you have your new battery, you can insert it in the same manner that you removed the old one. Make sure the positive (+) side is facing up toward the buttons and that the negative (-) side of the battery is aligned with the marks inside the battery compartment of your fob.
Push a button to test the fob. If it doesn't, you might have a problem with your car that requires a specialist to repair or replace.
Certain key fobs can be difficult to open, and the contacts may be brittle and easily corroded. In these cases you should consult a specialist in your car or dealer may be your best option. If you're looking to replace the battery, make sure to be very gentle and adhere to the instructions specifically in your owner's manual. You may be able to find a similar battery at a discounter or big-box retailer but you'll have to consult your owner's manual to be sure that it's compatible with your vehicle.
Replacing 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 doors and trunks (and in some cases start certain cars). Most people don't know this however they could save themselves from a trip to the dealer by simply replacing the fob battery. The flat watch-style battery is used in most modern fobs. They can be located at hardware stores and auto parts stores. It is important to use the right type of battery. A bad battery can cause damage to the circuitry and cause the fob to fail much earlier.
If the problem continues to persist after replacing the battery, it may be an indication that there is something else wrong with your vehicle. Check your owner's manual to determine if there's an option to reset the fob and restore the fob's factory-setup. If this fails, you'll need to visit a dealership or a shop independent that specializes in security systems for vehicles and key fob programming.
repair broken car key may also malfunction because of faulty transmitter receivers. They are typically located on the dashboard or near the steering wheel, and transmit signals that allow you to unlock and start your car with the fob. It is possible that you will need to get closer to your car to get it to work.
It could be required for a professional to remove the case of the fob to replace the transmitter. A simple screwdriver will usually work, however some fobs require a specialized tool or a special piece of equipment that can only be found at a dealer. It is a good idea to have a certified mechanic perform this task so you don't damage the fob or injure yourself.
Reprogramming the Key
A key fob that's not working could just require 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 an entirely new car key fob.
You can also reprogram your key fob yourself by following some basic steps. This process can vary between automobiles, so refer to the owner's manual and research your specific model. For example one key fob could require that the ignition be on while reprogramming it. One key fob could require the key to be inserted several times.
The basic procedure is easy. Make sure the battery is securely in place. Close all doors, with the exception of the driver's door. This will ensure that the new key fob communicates with the vehicle in a proper manner. 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 toward the receiver of the transmission. This is usually located on the front, above the mirror. Within a brief time, the key will indicate to the vehicle that it's programmed by triggering the doors locks or emitting the sound of a chime. This can be a tricky process, so pay close attention to the timing and avoid pressing too hard the button.
If the key fob won't work after reprogramming, try replacing the batteries. If the problem persists you may want to visit your car dealer or locksmith. A professional locksmith will have the tools and equipment required to reprogram your car's fob or design a new one if needed.
Genesky claims he is able to program newer fobs between $200 and $250, depending on the model of vehicle. However, he's had the need to refuse customers with European models because there's no equipment required. Luckily, the majority of aftermarket fobs can be programmable however it's recommended to consult a car dealer first to see what their price is.
A New Fob
If your key fob can't be fixed, you could require an entirely new one. Depending on the model and make, an auto locksmith or dealership might be able to assist. The dealership is likely to be the most expensive option for a replacement fob however, they'll have the necessary tools and software to programme your vehicle properly. Many locksmiths in independent shops offer a brand new car key fob for the lower cost.
Before you decide to purchase an entirely new device, it is a good idea to try resetting your current one. The owner's guide should explain the correct reset procedure. This is usually an orderly press that restores the factory programming.
It is an excellent idea to review the owner's manual and warranty information before deciding where to go for the replacement of your key fob. If your vehicle's warranty is in good standing or you have an auto club or car insurance policy that covers bumper-to-bumper you could qualify for a reimbursement of the cost of a replacement fob.
Finding the right where to purchase a fob can be a challenge. If you have a relatively new car and want the security from knowing that your key fobs are in good working condition, you may prefer going to the dealership for this service. If you're looking for a more affordable alternative, it is possible to find a locksmith who will provide the same service at a lower price.
A locksmith who is professional is a great option if you're not comfortable doing this kind of work. They are trained and equipped to repair or replace keys for cars of all types and do it quickly. In addition, a locksmith will often visit your office or home to complete the task, which can be very convenient for some people. They can cut and program keys on the spot if you've lost keys. This is perfect for those who don't want to leave their car without a key.