Key Fob Replacement and Repair

Key fobs on modern cars do a lot of work and are subject to lots of abuse. Sometimes just a simple replacement or repair is all that's required to restore them to good working order.

The majority of fobs are made with flat watch-style batteries that are easy to find in auto parts stores. However, before calling a professional, try a few DIY solutions!

Dead Key Fob Battery

The key fob battery powers the remote function of your car. It also, in conjunction with push-to-start vehicles, allows it to start your engine. Therefore, it is critical to maintain a healthy, working battery. A dead key fob can be a major problem when you're traveling. The good news is that a cheap, simple replacement can be made to fix it in a short time.

The loss of range and signal strength are among the most common indications that a battery on a keyfob is failing. You might also notice that the buttons on your key fob are not working or require more effort.

A new key fob can be found in the auto part section of a major retailer or online. They are typically CR2032 and CR2025 and are available in packs of 2 or more. Consult your owner's guide before you decide on the best battery. Certain cars require a certain size or type of battery, which isn't always available at big-box stores. Be sure to research before you buy.

Typically, the battery is located in the back of your key fob and is removed by tearing the case open with an abrasive screwdriver with a flat blade. It is usually shaped like the shape of a small coin, and be marked with the battery's size. Be sure to note which way the plus and minus symbols are placed to ensure that the battery you are replacing is properly placed. After the battery has been replaced then gently snap the two pieces of the fob back together. Then test the buttons.

If your key fob still does not work after replacing the battery, it may have been deprogrammed. In this case, a locksmith will be required to assist. This will cost more than replacing the battery of your key fob.

The skilled mechanics at YourMechanic are able to repair your key fob in the event that it's damaged or the battery has failed. Make sure you check out the range of services we offer in your region and book an appointment today!

Weak Signals

If you find that your key fob isn't responding to the buttons on the remote, this can be an indication of a problem with signaling. Radio signals are used to send messages between your car and key fob. Inconsistent or weak radio signals can cause low performance and limited range.

Checking the battery level of your fob is a good idea, since it can have a significant impact on the sensitivity of the signal. Resetting the settings on the fob can aid in restoring a more constant response. The process will vary from vehicle to vehicle. The owner's manual or a phone call to your manufacturer's support number is your best guide.

Other factors, such as interference from other devices operating on the same frequency, can also cause weak signals. Power lines, other key fobs, wireless communication devices, and even cell networks can interfere with the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.

Physical damage to your keyfob can interfere with the transmission of radio signal, which can result in lower performance and less range. A blown fuse, keyless entry repairs damaged or cracked button, or a bent case on the fob could affect the transmission of signals and cause the remote not to function properly.

You can attempt to fix the problem by resetting the settings on your fob, or by replacing the battery. If your fob is old and worn, it could be the right time to replace it.

Lastly, don't forget that if you have a spare key fob that is included with your vehicle, it can be used as a replacement for the primary remote in the event that it begins to fail. You should try this solution first to see if you can solve the issue prior to purchasing a new remote. If not, it might be the right moment to call a professional auto locksmith. They can identify the issue and recommend the best method of action.

Physical Damage

Key fobs can have problems at times. Luckily, the majority of these issues aren't difficult or complicated and can be resolved by following a few simple steps. It's important to have spare batteries or another fob available in case one of your keys ever fails to work.

The most frequent reason for the car key fob not working is an inactive battery. These little devices rely on tiny lithium-ion button or coin batteries to function. They are easy to replace and are available at most pharmacies, food stores and shops that sell electronic products. You can open the case of the fob using a flat-headed screwdriver and gently pull out the battery that you have. Replace the battery, ensuring that it's not damaged or loose. Most fobs utilize CR2032 batteries. However, yours might require a different type.

Your fob could also stop responding to the buttons after losing its connection with your car. This could be due to various reasons, such as changing the batteries. However an auto Locksmith or a local dealer will usually be able to fix it.

If none of the methods above work, you can try this trick: unplug the batteries from the car and fob for a few minutes and then connect them in the opposite order. This could trigger a restart within the system and, in some instances this will fix the issue without having to do any of the other steps.

Keep the fob out of water or other sources of damage while you are playing around. Fobs can be quite sturdy, but you need to take care with it if you want it to last as long as you can.

If none of the troubleshooting procedures above work, you may need to replace your key fob. If it's been thrown around, trodden on or subjected to other extreme environmental conditions, it may be beyond repair and may require a replacement. If that's the case, be sure to shop around for a deal prior to making a final decision.

Lost Fob

Even with the best of care keys to cars can fail at times. If you lose yours it could be very expensive to replace it--especially when you don't have a spare. "You could end up paying between $50 and $100 for a replacement, and getting it programmed by the dealer, plus an electronic backup that could cost another $100," says Mel Yu an automotive analyst at Consumer Reports.

A weak battery is one of the most common reasons for Keyless Entry repairs a keyfob to stop working. If you are aware of how to change the battery, or if your owner's manual contains instructions, you can try it yourself. If this doesn't resolve the problem, it's time to get help from an expert.

A locksmith can assist you to replace or locate your lost key fob. They'll also probably have a good idea of the reason your fob was not working in the first instance. And if your vehicle is a model older than the one you own and has no smart technology built-in it is possible to save money by finding the key number plate on your existing mechanical backup key (it's usually hidden behind a decorative keychain ornament) and recording it in a secure location, such as your wallet or on your phone. This will make it much easier for a locksmith to reprogram a new key fob for your car if you ever need to do it.

If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or a car key button repair dealer. This can cost more than just replacing it. The reason is that modern key fobs use rolling-code encryption that prevents thieves from gaining access to the car. This means that locksmiths must have a special programming tool which is only available to car manufacturers, which can increase the cost.

In the majority of instances, you'll need to pay for the entire service at once, including any charges to reprogram a new key fob. This can range from $20 in some stores to more than $200 at car dealerships, based on the vehicle.