The Best Advice You'll Receive About Car Key Fob Repair

Car Key Fob Repairs

Key fobs today do much more than simply unlock and start vehicles. However, the added complexity could cause high repair bills when one of them fails.

The good news is that most fobs have flat-watch-style batteries that are easy to replace at home. You might find that a simple reset can make your fob work again.

Battery Replacement

A dead battery is the most frequent reason for a key fob not working. It's a simple repair, and is worth a try before you go spending money on a new key fob. You can buy the new button cell at a local auto part retailer or hardware store in the event that you already have one. 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 for opening and replacing the battery in your particular type of fob.

You'll need to gently pry off the sides of many fobs 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 may be helpful to look for a notch on the lower edge of the fob that you can use to put your tool in between. You might also want to look for small pieces that may fall off while working.

When you have your new battery, place it in the same way that you removed the old one. The positive (+) side should face the buttons and the reverse (-) the markings on the battery compartment.

Push a button to test the fob. If it doesn't work, there could be an issue with your vehicle that requires a specialist to repair or replace.

Certain key fobs require specific tools to open and close them, and the contacts inside could be fragile and easily corroded. In these situations an expert in the field or the dealer will likely be your best option. If you're in need of replacing a battery, try to be very gentle and adhere to the instructions specifically in the owner's manual. You might be able find a similar battery at a discounter or a big-box retailer but you'll have to refer to your owner's manual to be sure that it's the right one for your vehicle.

Replacing the Internal Key

The majority of key fobs have a physical mechanical key however, it's hidden within the fob to stop thieves from getting. If the battery inside the fob goes out and the key is discarded, a blank one is left behind and can be used to unlock doors and trunks. In some cases the key could even start certain vehicles. Many people don't realize this, but they can save themselves from a trip to the dealer by simply replacing the fob's battery. Most modern fobs use flat watches-style batteries that are easy to find at auto parts stores and hardware shops. Using the correct type of battery is important however. The wrong kind can damage the electronic circuitry and cause the fob to fail earlier.

If you change the battery and discover that the problem persists, it could be a sign that something else is wrong with your car. Review the owner's manual of your vehicle to determine if there's a reset procedure that will restore the fob to the factory program. If this doesn't work, you'll have visit a dealership or an independent shop that specializes in vehicle-security systems and key fob programming.

Fobs could also fail due to faulty transmitter receivers. They are typically located near the steering wheel or in the dashboard. They transmit signals that allow you to unlock your car and start it with the fob. You may have to move closer to the car to make it work.

A professional might have to open the case to replace the transmitter. A simple screwdriver is enough to get the job done, but some fobs have complex release mechanisms that require a special tool or equipment that is available only through a dealer. It is a good idea to have a qualified mechanic handle this job to ensure you don't accidentally break the fob or injure yourself.

Reprogramming the Key

A key fob that is not functioning simply requires a new battery. They are easily available in g28carkeys home improvement and pharmacy stores and are inexpensive. This is a great option to begin before purchasing an entirely new key fob.

Alternately, you might be able to re-program the fob by following the steps. This process varies between vehicle brands, so it's essential to refer to the owner's manual and study the specifics of the model you own. One key fob could require that the ignition switch be on when changing the program. One key fob may require the key to be inserted multiple times.

The procedure is easy. Make sure that the battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob communicates with the vehicle correctly. Put the old key in the ignition and turn it on however, don't start the engine. Next, 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. In a short period of time the key will signal to the vehicle that it's being programmed by cycling the doors' locks or generating the sound of a chime. This procedure can be difficult and it's crucial to be attentive to the timing and don't over-press the key button.

If the key fob doesn't work, try reprogramming it again with fresh batteries. If the issue is still there, you might want to visit your local dealer or locksmith. A professional will have all the tools and equipment required to reprogram your car fob or create a new one, if required.

Genesky says he's able to program newer fobs for around $200 to $250, based on the model of vehicle. But he's had to refuse customers with European models due to the fact that they don't have the costly equipment they require. A majority of the aftermarket fobs are programmed, but you should always consult your local dealer to determine the cost.

Getting a New Fob

If your key fob is beyond repair, you may need to purchase an alternative. Depending on your vehicle's make and model, an auto locksmith or dealership may be able help. The dealership will likely be the most expensive option for a replacement fob However, they'll have all of the necessary tools and software to program your vehicle correctly. If you are looking for a less expensive solution, a variety of locksmiths will be able to provide you with a brand-new car key fob for a more affordable cost.

It's a good idea to try to reset your current fob before you rush out to buy an entirely new one. Your owner's manual should outline the proper procedure for reset which is typically the pushing of a button which restores it to factory programming.

It's also a good idea to read the owner's manual and warranty information prior to deciding the best place to get an replacement 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 protection, you may be eligible for reimbursement for the cost of an entirely new fob.

Finding the right place to get a fob can be difficult. If you own a new car and want the peace of mind that comes from knowing that your key fobs are in good working order, you may prefer going to the dealership for this service. If you're looking for a more affordable option it is possible to find a locksmith independent who can provide the same service for a significantly lower price.

If you aren't comfortable handling this type of work on your own, a professional locksmith can be a good option. They are equipped and trained to repair or replace keys for cars of all kinds and can do it quickly. In addition, a locksmith is often able to come to your office or home to complete the task which is useful for certain people. They can even cut and program keys on-site when you've lost keys, which is great for those who don't like to leave their cars unattended.