Car Key Fob Repairs
Key fobs today are more than just a way to unlock and start vehicles. This added complexity could lead to expensive repair bills when it fails.
It's good to know that the majority of fobs are powered by flat-watch-style batteries which can be replaced at home. You may find that a simple reset can bring your fob back to life.
Battery Replacement
The most common reason the key fob ceases to function is because of an inoperative battery. It's easy to solve and is worth a try before you purchase a replacement fob. You can pick up an additional button cell battery at your local auto part retailer or hardware store if you have one. You can also check your owner's manual (or in the case that you don't have one, YouTube is full of videos of people who explain how to do it) for specific instructions for opening and replacing the battery on the particular type of fob.
You'll have to gently pull away the sides of the majority of fobs to reach the battery. You'll typically need a small screwdriver or some other tool with a thin, flat blade. You can wedge your tool into a notch at the bottom of the key fob. You might also want to look out for tiny pieces that might break loose as you work.
Insert the new battery in the same way you removed the previous one. The positive (+) side should be facing the buttons and the reverse (-) the marks on the battery compartment.
Check the fob to determine whether it functions by pressing the button. If it doesn't work, you might have an issue with your car that requires a professional to repair or replace.
Certain key fobs are difficult to open and their contacts may be brittle and easily corrosion-prone. In these situations, a car specialist or a dealer could be the best choice. When replacing a battery, be gentle and follow your owner's guide. You may be able to locate a battery similar at a big-box retailer or discounter, but be sure you read the owner's manual to ensure it is compatible with your vehicle.
Replace the internal key
To prevent theft, most key fobs are equipped with an internal mechanical key that is hidden within. When the battery in the fob fails, a blank key is left behind and can be used to unlock doors and trunks. In some cases it is possible to start certain vehicles. The majority of people do not realize that they can avoid a trip to the dealership by recharging the fob batteries. Most modern fobs have flat watches-style batteries that are easy to find at hardware stores and auto parts shops. It is essential to choose the correct kind of battery. A bad battery can cause damage to the circuitry and lead to the fob's failure much sooner.
If the problem persists after you replace the battery, it could be an indication that something else is going on in your vehicle. Check your owner's manual to see if there's a reset procedure that will restore the fob's factory programming. If this doesn't work you'll have to go to a dealership or an independent shop that is specialized in vehicle security systems and fob programming.
Fobs can also fail due to malfunctioning transmitter receivers. They are typically located on the dashboard or near the steering wheel, and they transmit signals that allow you to open and start your car using the fob. made a post may have to move closer to your car to enable it.
A professional may need to open the case to replace the transmitter. A simple screwdriver can usually work, however certain fobs require a specific tool or equipment which can only be found at a dealership. It's a good idea to have a qualified mechanic do this job so that you don't break the fob or cause injury to yourself.
Reprogramming the Key
A key fob that's not working could just require a new battery. These batteries are readily available in home improvement and pharmacy stores and are affordable. This is a great method to start before you purchase a new key fob.
You may also be able to re-program the fob yourself by following some basic steps. This procedure can differ between automobiles, so read the owner's manual and study the specific model of your vehicle. One key fob could require that the ignition be on when changing the program. Another key might require the key to be removed and inserted multiple times.
The basic procedure is easy. Make sure that the battery is securely in place. Then, get into the driver's seat and shut all doors, excluding the driver's side door. This will ensure that the new fob is communicating with the vehicle properly. After that, put the old key back into the ignition and switch it to the ON position, but don't start the engine. Press the lock button while aiming the fob toward the receiver of the transmission. This is typically located on the front, above the mirror. The key will notify the vehicle within a short period of time that it is being programmed. This can be accomplished by turning the door locks or by emitting an audible chime. This is a challenging process, so pay attention to timing and don't over-press the button.
If the key fob won't function after reprogramming, you can try using new batteries. If the problem persists you should visit your car dealer or a locksmith should be considered. A professional locksmith will have the tools and equipment needed to reprogram your car fob or design a new one if necessary.
Genesky says he can usually program newer fobs for around $200 to $250, based on the model of vehicle. However, he's had the need to turn away customers with European models due to the fact that he doesn't have the expensive equipment they require. Fortunately, most aftermarket fobs are programmable however it's best to check with an auto dealer first to determine the price.
Getting a New Fob
If the key fob you have cannot be fixed, you could require another one. Depending on your vehicle's model and make, an auto locksmith or dealership may be able to help. The dealership is likely to be the most expensive option for a fob replacement, but they will also have the necessary tools and software needed to program your car correctly. If you are looking for a less expensive solution, many independent locksmiths can provide you with new car keys at a lower cost.
Before you decide to purchase an entirely new device, it is a good idea to try resetting your current device. The owner's manual should explain the proper procedure for reset, which is usually just the pushing of a button that reset the original programming.
It's also a good idea to read your owner's manual as well as warranty information prior to deciding which place to go for the replacement of your key fob. If your car's warranty still in effect or you have an auto club or car insurance policy that covers bumper-to-bumper you could be eligible for a reimbursement on the cost of a replacement fob.
The process of getting a fob can be simple enough however, finding the right location to get it done can be a challenge. If you have a relatively new vehicle and you want the security from knowing that your key fobs are in good working order, you may be better off going to the dealership for this service. However, if you want an option that is more affordable, it is often possible to find a locksmith who is independent who can offer the same services at a much lower cost.
If you aren't comfortable handling this type of work yourself, a professional locksmith can be a great choice. They are skilled and equipped to reprogram or replace most types of car key fobs, and often they can accomplish the task in a short time. Additionally, locksmiths can often come to your home or office to do the job which can be extremely convenient for some people. They can even cut and program keys on-site when you've lost them, which is ideal for those who do not want to leave their cars in the dark.