Key Fob Replacement and Repair
Modern car key fobs are utilized often and are often abused. Many times an easy replacement or repair is all it takes to bring them back into working good working order.
Most fobs run on a flat watch-style battery, which can be found in hardware and auto parts stores. Before you call an expert, try a few DIY fixes!
Dead Key Fob Battery
The battery for the key fob power the remote feature in your car. It also, in conjunction with push-to-start vehicles, allows it to start your engine. As a result, it is critical to maintain an active, healthy battery. When you're on the go, a dead key fob could be a major issue. A simple, low-cost replacement will solve the issue quickly.
The loss of range and signal strength are the most commonly observed indicators that a battery in a keyfob is dying. You might also notice that the buttons on the key fob aren't working or require extra effort.
It is common to find a new key fob battery in the auto parts section of a large box store or on the internet. The majority of these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. However, it's a good idea to check your owner's manual before shopping for the right battery for your fob. Certain cars require a specific size or type of battery that isn't always in stock at big-box retailers So, make sure you know the right specs before you purchase.
Typically the battery is placed in the back of your key fob and is removed by tearing the case open with the flat-blade screwdriver. The battery will appear like an ordinary coin, and it will be identified according to its size. Be sure to note down the orientation of the plus and minus symbols in order to insert the battery correctly. After the replacement battery is installed, gently snap the two pieces of the fob together. Then test the buttons to make sure they function.
It's worth noting that, if your key fob continues to stop functioning even after battery replacement, it could be deprogrammed. In this scenario you'll need to call an expert locksmith which will cost some more than replacing the battery in your key fob.
If your fob's battery is failing or you're experiencing other issues with your fob's key, an experienced mechanic like one from YourMechanic can check and repair it to get you back on the road. Be sure to check out all of our services 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, it could be a sign of a problem with the 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.
One of the first things you should determine is if the battery of your fob is depleted because this could significantly impact signal sensitivity. Resetting the settings of the fob can also aid in restoring a consistent response. The procedure may differ from vehicle to vehicle. Your owner's guide or a phone call to your manufacturer's support number is your best resource.
Other factors, like interference from other devices operating on the same frequency, can also affect weak signals. Power lines as well as other key fobs, wireless communication devices, and even cellular networks can interfere with the RF (radio frequency) signals that your key fob utilizes to connect to the receiver in your vehicle.
Furthermore physical damage to your key fob may hinder the transmission of RF signals which can result in poor range and performance. A blown fuse, a damaged or cracked button, or a bent case on the fob could all affect the signal transmission and cause the remote not to respond.
There are mobile key repair can follow to try and resolve the issue of weak fob signals such as resetting the fob's settings or replacing the battery. However, if your fob is old and damaged, it's time to replace it completely.
Don't forget to use the spare remote that came with your car in the event that your primary remote begins to fail. It's worth trying this option to see if it solves the issue before you invest in the new one. In this instance it could be the right time to call an expert auto-locksmith. They will be able to identify the issue and suggest the best solution.
Physical Damage
It's not common for key fobs to experience issues from time to time. The majority of these issues aren't complex or serious and can be resolved by following a few easy steps. It's recommended to have spare batteries or an additional fob in case one of your keys ceases to function.
The most frequent cause for car keys not working is an inactive battery. These tiny devices depend on tiny lithium-ion coin or button cell batteries to function. They are easy to replace and are available at most pharmacies, food stores and shops that sell electronics. You can access the fob's casing using an screwdriver that has a flat-head and gently pull out the existing battery. Make sure it's not loose or damaged and then simply pop in a new battery. Most fobs utilize CR2032 batteries, however yours might require an alternative kind.
If your device loses its pairing, it may also cease to respond to buttons. This can be caused by various reasons, such as changing the batteries. However, an auto Locksmith or a local dealership can usually repair the issue.
If none of the strategies above work, try this method: disconnect the batteries from the car and fob for a few minutes and then reconnect them in a reverse order. This could trigger a restart within the system and, in some instances this will fix the issue without requiring any of the other steps.
Keep the fob away from water or other sources of harm while you're trying out new techniques. A fob can be pretty durable, but it's important to treat it with care when you want it to last as long as possible.
If the suggestions above don't help, it might be time to replace your key fob. If it's been dropped and trampled or exposed to harsh environmental conditions, it may not be able to be repaired and will require a replacement. If this is the case, be sure to search for a deal before making a final decision.
Lost Fob
Even with the best of care it's a fact of life that car key fobs can occasionally stop working. If you lose yours it can be extremely expensive to replace it, especially when you don't have a spare. "You may end up spending $50 or more for an alternative from the dealer and then have it programmed, as well as an additional mechanical backup which could cost you at least another $100," says Mel Yu who is an automotive analyst at Consumer Reports.
A weak battery is among the most common causes for a keyfob's device to stop working. If you are familiar with how to replace the battery, or if the owner's manual has instructions, you can attempt it yourself. If this doesn't resolve the problem, you need to contact an expert.
A locksmith can help replace or find your lost key fob. They will also likely have an idea of the reason why your fob stopped working in the first instance. If your car is older and does not include smart technology however, you can save money by recording the number plate from your mechanical backup key. It's typically hidden behind a keychain with an ornamental design. This can make it easier for a locksmith to reprogram a new key fob to your car should you require it.
If your key fob is an old smart key, it will need to be deprogrammed by a locksmith or car dealer. This could cost more than just replacing it. The reason is that modern key fobs employ rolling-code encryption to prevent thieves from accessing the car. And that means the locksmith must have an exclusive programming tool that only the car manufacturer has, which increases the overall expense.
In the majority of instances, you'll have to pay for the entire service at once, including the cost of programming the new key fob. This could range from around $20 in some stores to over $200 at car dealerships, depending on the vehicle.