The key fobs in modern cars do a lot of work and are subject to an awful amount of abuse. Sometimes, a simple repair or replacement is all that's required to bring them back into good working good working order.
Most fobs are powered by flat watch-style batteries. This is readily available in auto parts and hardware stores. Before you call an expert, you can try a few DIY fixes!
Dead Key Fob Battery
The battery of the key fob powers your remote in your car, and in push-to-start cars, it can start your engine. As a result, it is crucial to maintain an active, healthy battery. A dead key fob is a major problem when you're traveling. A simple, affordable replacement will solve the issue quickly.
The loss of range and signal strength are the most common indicators that a battery in a keyfob is failing. You may also be noticing that the buttons on the fob don't work or require extra effort to activate.
You can often find the latest key fob batteries in the auto parts section of a large box store or on the internet. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. However it's best to consult your owner's manual prior to purchasing the right battery for your fob. Some cars require a specific size or type of battery that is not always available at big-box stores. Make sure to verify before purchasing.
Typically the battery is placed in the back of your key fob. key fob repair service is removed by tearing open the case with the flat-blade screwdriver. It is likely to look like the shape of a small coin, and be marked with the battery's size. Be sure to note the orientation of the plus and minus symbols to ensure that you insert the battery correctly. 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 doesn't work after replacing the battery, it could be deprogrammed. In this instance, a locksmith will be required to assist you. This will cost more than just replacing the battery in the key fob.
Whether your fob battery is dying or you're having other issues with your fob's key an experienced mechanic such as one from YourMechanic can inspect and repair it to get you back on the road. Be sure to check out all of our services in your area and schedule an appointment today!
Weak Signals
If you notice that your key fob isn't responding to buttons on the remote, this can be an indication of a problem with signaling. Radio signals are used to communicate between your car and key fob. Poor or inconsistent radio signals can cause low performance and limited range.
Checking the battery level of your fob is a good idea, since it can significantly affect signal sensitivity. Resetting the settings on the fob can also help restore a more regular response. The procedure varies from vehicle to vehicle, so the owner's manual or a call to the help line of the manufacturer is probably the best resource here.
Other factors can contribute to weak fob signals, for example, interference from other devices operating at the same frequency as your key fob. Power lines and other key fobs wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob utilizes to connect to the receiver inside your vehicle.
Furthermore physical damage to your key fob may hinder the transmission of signals RF, which could result in a decrease in performance and range. A blown fuses, a damaged or cracked button, or a bent case on the fob can affect the transmission of signals and cause the remote to not to respond.
You can attempt to fix the problem by resetting the fob's settings, or by replacing the battery. However, if your fob is old and damaged, it's time to replace it completely.
Also, don't forget if you have a spare key fob that is part of your vehicle, it could be used in place of the primary remote in the event that it begins to fail. You should test this option first to determine if you can solve the issue prior to purchasing a new remote. In this instance, it might be an appropriate time to consult a professional auto-locksmith. They'll be able to identify the issue and suggest the most effective course of action.
Physical Damage
Key fobs can be troublesome from time to time. Fortunately, most of these issues aren't serious or complex and can be fixed with a few easy steps. It's a good idea also to keep spare batteries or an additional fob in case your key ever stops working.
A dead battery is the most common reason for a car keyfob not working. These little devices depend on tiny lithium-ion coin or button batteries to function. These are easily replaced and are available at most pharmacies, grocery stores and places that sell electronics. The fob's case can be opened using an screwdriver that is flat and gently remove the battery that you have. Replace the battery, making sure it's not damaged, loose or damaged. Most fobs require batteries that are CR2032. However, yours may require a different kind.
If your device loses pairing, it may also stop responding to buttons. This can be caused by a variety of factors like changing the batteries. However it is possible to fix the issue with an auto Locksmith or local dealership will usually be able to repair the issue.
If none of the methods above work, try this trick: unplug the batteries from the car and fob for a few minutes and then connect them in a reverse order. This may cause the system to restart, and in some instances it will resolve the issue without further steps.
Keep the fob out of water or other sources of harm while you're experimenting. The fob is quite durable, but it's important to take care with it in order for it to last as long as it can.
If the suggestions above don't help, it might be time to think about replacing your key fob. If it's been thrown or trampled upon, or exposed to harsh environmental conditions, it could not be able to be repaired and will need a replacement. Look around for the most competitive price.
Lost Fob
Even with the best care it's a fact of the road that car key fobs can sometimes fail to function. If you lose yours it could be very expensive to replace it, especially when you don't have a spare. "You might end up paying $50 to $100 for a new one and having it programmed by a dealer, as well as mechanical backups that could cost another $100," says Mel Yu an automotive analyst at Consumer Reports.
A weak battery is among the most common causes for a keyfob's stop working. You can try replacing the battery on your own when you know how, or consult the owner's manual. But if that doesn't fix the problem, you need to call in an expert.
A locksmith can assist you to replace or locate your lost key fob. A locksmith will probably know why your fob stopped functioning in the first in the first place. And if your car is a model older than the one you own and has no smart technology built-in it is possible to save cash by locating the key number plate on your existing mechanical backup key (it's usually hidden behind a decorative keychain) and recording it in a safe place--such as your wallet or on your phone. This can make it easier for a locksmith to reprogram a brand new key fob for your car in the event that you need to do so.
If the key fob you have is a smart key of the present and you want to change it, you'll need to go to an auto dealer or locksmith to deprogram it before getting a new one created, which can be more expensive than simply replacing it. This is because modern key fobs use rolling-code encryption that prevents thieves from accessing the car. This means that the locksmith must have a special software program which is only available to the car manufacturer, which increases the cost.
In most instances, the entire service will be billed at one time. This includes any costs for reprogramming a keyfob. Depending on the type of vehicle, that can run from a mere $20 at some shops to $200 or more at a car dealer.
