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Key Fob Replacement and Repair

Modern car key fobs are used frequently and are often abused. Sometimes, a simple repair or replacement is all that's needed to get them working again.

The majority of fobs are powered by a flat watch-style batteries, which is easily found in auto key fob repair parts and hardware stores. However, before calling an expert, try a few DIY solutions!

Dead Key Fob Battery

The battery in the key fob's remote powers your car's remote and in push-to start cars it will start your engine. As a result, it is critical to maintain an active, healthy battery. When you're on the move and your key fob is not working, it could be a major issue. A simple, inexpensive replacement will solve the issue quickly.

The most obvious sign that a battery on a key fob is dying is the loss of signal strength and range. You might also notice that the buttons on your key fob aren't working or require extra effort.

You will often find a new key fob battery in the auto parts section of a big box retailer or online. Typically, they're CR2032 or CR2025 batteries that are sold in packs of two or more. However it's a good idea to read the owner's manual before shopping for the right battery for your fob. Certain cars require a certain size or type of battery, which isn't always readily available at big-box stores. Be sure to research before you buy.

The battery is usually found on the back of the key fob. It is removed using the flat-bladed screwdriver, by prying the case open. It is likely to look like an ordinary coin and will be labelled with the battery's size. Be sure to note the orientation of the plus and minus signs in order to place the new battery properly. Once the battery replacement is placed in the fob, gently snap both pieces of the fob together. Then test all of the buttons to make sure they function.

If your key fob doesn't work after replacing the battery, it may have been deprogrammed. In this case you'll need to call a locksmith for help, which will cost a bit more than replacing the battery of your key fob.

Our skilled mechanics at YourMechanic can repair your key fob in the event that it's damaged or the battery is dead. Schedule an appointment to see the range of services we offer in your local area.

Weak Signals

If your key fob does not respond to the buttons of the remote key repair, it could indicate that the signaling is not working properly. Your car and key fob depend on radio signals to communicate, and weak or inconsistant signals can result in poor range and performance.

Examining the battery level of your fob is a good idea, as it can affect the sensitivity of the signal. Resetting the settings of the fob can also aid in restoring a regular response. The procedure differs from vehicle to vehicle, so the owner's manual or call to the helpline of the manufacturer is probably the best source of information here.

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 interfere with the RF (radio frequency) signals that your key fob utilizes to connect to the receiver in your vehicle.

The physical damage to your keyfob can also interfere with the transmission of radio signal, leading to lower performance and less range. A blown fuse, broken or cracked button or bent fob case can interfere with the transmission of signals, causing the remote to fail to respond.

There are some simple steps you can take to try and solve the issue of weak fob signals like resetting the fob's settings, or replacing the battery. If your fob is old and worn out, it's time to replace it completely.

Lastly, don't forget that if you have an extra key fob that is included with your vehicle, this can be used in place of the primary remote in case it starts to fail. It's worth trying this solution to see if it can solve the issue before investing in the new one. If not, it might be the best time to contact a professional auto locksmith. They can identify the issue and recommend the best course of action.

Physical Damage

It's not common for key fobs to experience issues from time-to-time. Luckily, the majority of these problems are not serious or complex and can be resolved with a few easy steps. It's a good idea also to keep spare batteries or another fob in the event that your key stops working.

The most frequent cause for car keys not working is a dead battery. These tiny devices depend on tiny lithium-ion button or coin batteries to function. They can be replaced easily and are available at most pharmacies, food stores and places which sell electronic items. Open the fob's case with a flat-headed screwdriver, and gently pry 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 to the vehicle. This could be due to a number of factors, including changing the batteries, but is typically a simple issue for an auto Locksmith or your local dealer to resolve.

If none of the solutions above work, try this method: disconnect the battery from the car and fob for a short period of time, then reconnect the two in a reverse order. This may cause the system to reboot, and in some cases it will resolve the issue without additional steps.

Keep the fob clear of water or other sources of harm while you're trying out new techniques. The fob is quite robust, but it's crucial to take care with it if you want it to last as long as possible.

If none of the troubleshooting techniques above help you, you may have to replace your key fob. If yours has been dropped or tripped over, or exposed to other harsh environmental conditions it could be damaged beyond repair and may require an upgrade. Look around for the best deal.

Lost Fob

Even with the best of care it's a fact of the road that car key fobs will occasionally cease to function. If you lose yours it could be a huge expense to replace it, especially if you don't have a spare. "You might end up paying $50 or more to purchase an alternative from the dealer and have it programmed, plus a new mechanical backup which could cost you at least another $100," says Mel Yu who is an automotive analyst at Consumer Reports.

One of the most common reasons for a key fob's device to stop working is a basic problem, such as an insufficient battery. You can try replacing the battery yourself if you know how to repair car key fob or get instructions from the owner's manual. If that doesn't work, you'll need to contact an expert.

A locksmith will be able to help you find your lost fob or get it replaced. A locksmith will likely know why your fob stopped functioning in the first in the first place. If your car key lock Repair near me is a model older than the one you own and has no smart technology built-in You can save cash by locating the key number plate that is on your existing mechanical backup key (it's usually hidden behind a decorative keychain) and recording it in a safe place--such as in your wallet or on your phone. This will make it easier for the locksmith to reprogram the new key fob to your car should you need to do it.

If your key fob is an old smart key, it'll have to be deprogrammed by a locksmith or car dealer. This could cost more than simply replacing it. That's because modern key fobs utilize rolling-code encryption to prevent thieves from gaining access to the car. And that means locksmiths need a special programing tool that only the vehicle manufacturer has, which increases the overall expense.

In most instances, you'll need to pay for the entire service at once, including any costs to reprogram the new key fob. Depending on the type of vehicle the cost can range from around $20 at certain stores to $200 or more at a car dealership.