Key Fob Replacement and Repair

The key fobs found in modern cars perform a lot of work and are subject to lots of abuse. In most cases, a simple repair or replacement is all that's needed to make them functional again.

Most fobs use flat watch-style batteries that can be found in hardware stores and auto parts retailers. Before you call an expert, try a few DIY solutions!

Dead Key Fob Batteries

The key fob's battery powers your remote in your car and, in push-to-start vehicles, it can start your engine. It is therefore crucial to maintain a functional healthy and a good battery. A dead key fob can be an issue for anyone traveling. The good news is that a simple, inexpensive replacement can fix it quickly.

The most common sign that a battery on a key fob is dying is the decrease in signal strength and range. You may also notice the buttons on your key fob are not working or require more effort.

A new key fob is available in the auto part section of a big retailer or online. Typically, they're CR2032 or CR2025 batteries and are available in packs of two or more. However it's best to read the owner's manual before you shop for the right battery for your vehicle. Some cars require a particular size or kind of battery that's not always readily available at big-box retailers, so be sure to know the right specs before you purchase.

The battery is typically located in the back of the key fob. It is removed using the flat-bladed screwdriver, by removing the case. It is usually shaped like the shape of a small coin, and be marked with the battery's size. Make sure to note the direction the plus and minus symbols are oriented to ensure that the new battery is placed correctly. Once the battery replacement is placed in the fob, gently snap both pieces of the fob in place and test all of the buttons to ensure that they work.

If your key fob still does not work after replacing the battery, it may be deprogrammed. In this situation it is likely that a locksmith will be required to assist you. This will cost more than replacing the battery in the key fob.

The skilled mechanics at YourMechanic are able to repair your key fob if it is damaged or if the battery is dead. Make an appointment to look over all the services we provide in your area.

Weak Signals

If your key fob does not respond to the buttons of the remote, it could indicate that the signaling isn't functioning properly. Your car and key fob rely on radio signals to communicate, so weak or inconsistant signals can cause poor range and performance.

One of the first things to determine is if the battery of your fob is depleted since this can greatly affect the sensitivity of your signal. Resetting the settings of the fob can aid in restoring a more regular response. The procedure varies from vehicle to vehicle, so your owner's manual or a call to the help line of the manufacturer will likely be your best source of information here.

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

Furthermore physical damage to your key fob can affect the transmission of signals RF, which could result in a decrease in range and performance. A blown fuse, a damaged or cracked button, or a bent case on the fob may all affect the signal transmission and cause the remote to function properly.

You can fix the problem by resetting your fob's settings or by replacing the battery. If your fob is old and worn out, it's the time to replace it all over again.

Don't forget to make use of the spare remote that was included with your vehicle if your primary remote starts to fail. Try this method first to see if you can fix the problem before purchasing a new remote. If not, it could be the right moment to call an expert auto locksmith. They'll be able to identify the issue and recommend the best solution.

Physical Damage

It's not uncommon for key fobs to experience issues from time-to-time. Most of these issues aren't complex or serious and can be resolved by following a few easy steps. It's important to have spare batteries or even an additional fob in case one of your keys ever ceases to function.

The most common reason for car keys not working is the battery is dead. These small devices depend on tiny lithium-ion coin or button cell batteries to function. These batteries are easily replaceable and are available at most pharmacies and stores. You can access the fob's casing using a flat head screwdriver and gently pry out the existing battery. Make sure it's not loose or damaged and then put in an alternative battery. Most fobs use CR2032 batteries, but yours might require an alternative kind.

Your fob could also stop responding to the buttons if it loses its connection to the car. This can happen due to a number of factors, including changing the batteries, but it is usually easy for an auto Locksmith or your local dealer to fix.

If none of the solutions above work, you can try this trick: unplug the battery from the car and fob for a short period of time and then reconnect them in a reverse order. This could trigger a reboot within the system, and in some cases this will fix the problem without doing any of the other steps.

Keep the fob clear of water or other sources of damage while experimenting. A fob is durable however, you must take care of it to make it last for as long as you can.

If the above troubleshooting tips aren't working, it could be time to think about replacing your key fob. If it's been dropped or tripped on, or subjected to other harsh environmental conditions it could be damaged beyond repair and requires a replacement. If this is the case, be sure to shop around to find a bargain before making a final decision.

Lost Fob

Even with the best of care, car key fobs may fail to function. 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 to get an alternative from the dealer and then have it programmed, as well as an additional mechanical backup which will cost at least another $100," says Mel Yu an automotive analyst with Consumer Reports.

One of the most frequent reasons for a key fob to stop working is a simple problem, such as a weak battery. Try changing the battery yourself when you know how, or refer to your owner's manual. If that doesn't solve the problem, it's time to get help from an expert.

A locksmith can be capable of helping you locate your lost fob, or get it replaced. A locksmith can probably tell you the reason your fob stopped working in the first initial place. If your car is old and doesn't include smart technology however, you can save money by recording the key's number plate of your mechanical backup key. It's usually hidden behind an ornamental keychain. If you need to reprogram the key fob in your car the locksmith can do it much more quickly.

If your existing mobile Key Repair fob is a smart key of the present and you want to change it, you'll need to go to a locksmith or a dealership to remove it from the system and have a new one created which is more expensive than replacing it. Modern key fobs are secured by encryption using rolling-codes that prevents thieves from getting access to your car remote key repair near me. This means that locksmiths need an exclusive programming tool that only the vehicle manufacturer is equipped with, which adds to the overall cost.

In the majority of instances, mobile key repair you'll need to pay for the entire service at once, which includes the cost of programming a new key fob. This could range from around $20 in some stores to over $200 at car dealerships, depending on the car.