Key Fob Replacement and Repair
Key fobs on modern automobiles do a lot of work and are subject to a lot of abuse. In most cases, a simple repair or replacement is all you need to make them work again.
Most fobs run on a flat watch-style batteries, which is readily available in hardware and auto parts stores. Before calling in an expert, try some DIY fixes.
Dead Key Fob Battery
The battery in the key fob's remote powers your remote in your car and, in push-to-start vehicles it will start your engine. Therefore, it is crucial to maintain a healthy, working battery. When you're on the move, a dead key fob could be a major issue. A simple, low-cost replacement will fix the problem quickly.
The most frequent indication that a key fob battery is depleting is the decrease in signal strength and range. It is also possible to notice that the buttons on your key fob are not working or require more effort.
It is common to find a new key fob battery in the auto parts section of a big box retailer or online. Typically, these batteries are CR2032 and CR2025 and are sold in packs of 2 or more. Check out the owner's manual before you decide on the best battery. Some cars require a particular size or type of battery that's not always in stock at big-box stores, so be sure to know the specifications prior to you buy.
The battery is typically located at the back of the key fob. Recommended Web page is removed using an abrasive screwdriver with a flat blade by removing the case. The battery will look like an ordinary coin and will be labeled based on its size. Be sure to note which direction the plus and minus symbols are placed to ensure that the new battery is properly placed. After the replacement battery has been inserted, gently snap both pieces of the fob together. Then test all of the buttons to ensure they work.
It's important to note that when your key fob is unable to cease functioning even after battery replacement, it could have been deprogrammed. In this case it is likely that a locksmith will be required to assist you. This will cost more than just replacing the key fob's battery.
Our skilled mechanics at YourMechanic can repair your key fob if it's damaged or the battery has failed. Make sure to look over all of our services available in your area and make an appointment now!
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 the signaling. Your car and key fob are dependent on radio signals to communicate, so weak or inconsistent signals can result in poor performance and range.
One of the first things you should determine is if the battery of your fob is depleted since this can greatly affect the sensitivity of your signal. It's also advisable to reset the settings on your fob that can help bring back an even and consistent response from the car. The process will vary from vehicle to vehicle. The owner's guide or a call to the manufacturer's support line is the best source of information.
Other factors, like interference from other devices operating at the same frequency can also cause weak signals. Power lines as well as other key fobs, wireless communication devices, and even cellular networks can disrupt the RF (radio frequency) signals that your key fob uses to connect to the receiver in your vehicle.
Furthermore, physical damage to your key fob could also interfere with the transmission of signals RF, which may result in poor performance and range. A blown fuse, broken or cracked buttons or a bent case could interfere with the transmission of signals, causing the remote to not respond.
There are some simple steps you can follow to try and fix the problem of weak fob signals, such as resetting the fob's settings or replacing the battery. If your fob is damaged, it's time to replace it altogether.
Don't forget to use the spare remote that came with your car if your primary remote starts to fail. Try this method first to see if you can solve the issue prior to purchasing a new remote. In this situation, it might be the right time to contact an expert auto-locksmith. They can identify the issue and recommend the best course of actions.
Physical Damage
Key fobs can have problems at times. Luckily, the majority of these problems are not difficult or complicated and can be resolved with a few easy steps. It's recommended to have spare batteries or even an additional fob in case one of your keys stops working.
The most frequent cause for a car key fob not working is a dead battery. These little devices depend on tiny lithium-ion coin or button cell batteries to function. These batteries are easily replaceable and can be found in most pharmacies and stores. Open the fob's case with a flat-headed screwdriver, and gently pry out your existing battery. Check to see if it's damaged or loose, and then put in an alternative battery. Most fobs require batteries that are CR2032. However, yours may need a different type.
If your device loses pairing, it could cease to respond to buttons. This can happen due to a variety of reasons, including changing the batteries, but is generally simple for an auto Locksmith or your local dealership to resolve.
You can try this trick to fix your fob in the event that none of the above methods work: Disconnect the battery from both the car and the fob for around ten minutes, then reconnect them in the reverse order. This could trigger a reboot within the system and in some cases, this alone 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 trying out new techniques. The fob is quite robust, but it's crucial to treat it with care in order for it to last as long as you can.
If the above troubleshooting tips don't help, it might be time to consider replacing your key fob. If it's been thrown around or tripped over, or exposed to other extreme environmental conditions, it could be beyond repair and requires an upgrade. If this is the case, make sure to look around to find a bargain before making a final decision.
Lost Fob
Even with the best care keys to cars will occasionally stop working. If yours is lost, it could be very expensive to replace it--especially when you don't have a spare. "You may end up spending $50 or more to get a new replacement from the dealer and have it programmed, and 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 one of the most common causes for a keyfob's device to cease to function. If you are familiar with how to replace the battery, or if the owner's guide has instructions, you can try it yourself. If that doesn't solve the problem, you need to contact an expert.
A locksmith will be able to help you find the lost fob or have it replaced. A locksmith will probably know why your fob stopped functioning in the first place. If your car is older and does not come with smart technology it is still possible to save money by recording the key number plate on your mechanical backup key. It's typically hidden behind a decorative keychain. If you need to reprogram the key fob of your car the locksmith can do it more easily.
If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or a car dealer. This can cost more than just replacing it. The reason is that modern key fobs employ rolling-code encryption to prevent thieves from getting into the car. This means that the locksmith has to have a special software program that is available only to car manufacturers, which increases the cost.
In the majority of instances, you'll need to pay for the entire service at once, which includes any charges to reprogram a new key fob. Based on the car the cost can range from around $20 at certain stores to $200 or more at a car dealership.