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Remote Key Fob Repair

The majority of modern cars now have the remote key fob which can be used to lock, unlock and start the vehicle. Like any other high-tech piece of equipment, there can be problems.

Usually these are very simple to resolve. You can reset it by following the instructions in your owner’s manual.

Check the Battery

The battery in the fob that powers it is responsible for the remote control function. The battery is a tiny component that is inexpensive and needs to be replaced on a regular basis in order to maintain the functionality of the key fob. There are other reasons why your key fob might not be working besides the battery. Water exposure, physical damage or internal component failure could be the cause. Whatever the cause the key fob is unresponsive it's time to replace the battery.

Make sure you have the right size battery. Most modern key fobs are powered by a three-volt CR2032, which is easily available in many stores. The size of many of these batteries is stamped on the edge of the key fob. You can find the kind of battery your car requires by searching for the brand name.

When you have the correct battery then carefully open your key fob and take out its existing battery. Take a picture of the inside of the fob before you do so to ensure that you put it back together correctly. This simple step can save you from having to buy a new fob simply because you made an error while putting it back together.

It is important to be aware that some key fobs include an additional mechanical key, also known as an emergency blade. The key blade is situated within the key fob and it lets you open the door to the driver's side of your car in the event that the remote control fails. In order to access the key blade, you'll need to locate the notch that's located in the middle of the fob. The notch is usually an oval shape that is hidden by the fob's plastic casing.

If you want to be extra vigilant you can use a multimeter to check the voltage of the battery. The majority of modern key fobs come with an integrated voltmeter, however you can get a multimeter in the majority of hardware stores for a few dollars. The battery should generally be reading 3.0 volts or greater. A reading below that level could indicate a battery that is in its final stages and should be replaced immediately.

Check the Buttons

Key fobs for cars may appear like little more than fancy high-tech items for convenience however, they're not indestructible. Remotes can stop functioning after a certain period of time, particularly when they are used frequently or if they have been subjected to physical abuse. Fortunately, a majority of the times, it's simple to identify and repair car keys a problem with the remote key fob and changing the battery is usually all that's required.

Many modern-day car keys have numerous buttons for various functions like locking and unlocking the doors as well as activating the panic button, and opening the trunk. When a button on the fob is pressed it transmits a radio code to a receiver within the vehicle. Some fobs also include a button to start the engine, which can be particularly useful on cold winter mornings or hot summer days.

Typically, the buttons on the key fob can be reset by snapping the device apart and checking to make sure they're not broken or stuck. Key fobs aren't typically designed to be taken apart, but the battery connector terminals on a key fob may get loose over time. Soldering can be used to connect the button contacts to the circuit board in case they have been disconnected. This will restore the fob's functionality.

In addition, if a fob has been damaged or dropped in any other way, the buttons may be broken or displaced from their alignment or misaligned. These types of issues are typically more difficult to repair on your own but can usually be addressed by a local auto shop that has the right tools and expertise.

It's always an excellent idea to have a spare fob somewhere in the event that one of the ones you regularly use stops working. This will prevent you from being stranded without your keys or having to pay a lot of money to get the vehicle towed back to the dealer. Also, you should examine your insurance policy on your car or membership in a car remote key repair shop near me club or extended warranty coverage to see whether it will cover the cost of replacing or programming an entirely new fob.

Check the Casing

It's not unusual for a keyfob's cap to get wet. This can happen from a swimming pool, a downpour, or even from your washing machine. The resultant moisture can cause destruction to the electronic components inside, causing numerous malfunctions. The good part is that keys can typically be kept from a cliff by drying out thoroughly and following a few simple steps.

First, make sure whether the buttons are working properly. This usually involves taking out the buttons, cleaning them and rebuilding them. If the buttons do not pop back in or are stuck, it's time to replace the remote.

Examine the case to make sure that nothing is interfering in the operation of the key fob. The case can be opened using tweezers, and then remove the battery. Do not disassemble the antennas or circuit board. These batteries have electric current flowing through them that keeps the key fob's programming to your vehicle, and when you break the circuits, you'll have to go to a dealer or choose an Interstate All Battery Center location to re-program it.

After you've replaced and removed the battery It's recommended to dry the fob by placing it in a plastic bag filled with silica gel or other desiccating agent. This will prevent any future moisture issues and help the battery last longer.

Finally, if the fob is still not working properly, you'll need to visit a dealer or an independent shop that is specialized in your particular model and make of vehicle. They can reprogram the key fob for your specific vehicle, and hopefully restore its full functionality.

If nothing else works If all else fails, you can buy an alternative keyfob online or at your local NAPA Auto Parts shop. These do-it-yourself remotes are just like the factory fob but much more affordable. They are easily paired to your vehicle by following simple instructions. If you'd like to avoid the expense and hassle of a visit to a dealer, NAPA offers several do-it-yourself replacements that can be programmed in a matter of minutes at your home.

Check the Connections

Sometimes your key fob might cease to function - even though it's still connected to your vehicle. This could be due to a number of factors that include malfunctioning battery contacts or buttons. You may be able fix the problem yourself by performing basic maintenance.

The first thing to do is ensure that your backup remote can lock and unlock your car's doors. If it can't, you may have an issue with your primary remote. If you can't, then it's time to try replacing the battery in the backup remote.

It's a great idea disassemble your key fob prior to replacing the battery and then inspect the circuit board. Make sure there aren't any cracked solder joints. Once you're done you can replace the battery on your key fob and rebuild it.

After you've replaced the battery and reassembled your key fob, it's time to test its connection with your vehicle. Put a flathead mini screwdriver in the notch at the bottom of the key fob. You can then pry apart your key fob's two halves and then gently remove the circuit board. Carefully insert a new CR 2032 3V battery, making sure that it's inserted with the negative side facing downwards. After you have reinserted the board, you can reassemble your key fob.

If this does not resolve the issue, you might have a more serious problem. In this case, call your dealer or a service shop that is specifically geared to your car's make. They can diagnose the problem by using a radio frequency tester that is a device that determines if your key repair fob is transmitting a signal to the car's computer.

I hope this guide was helpful to anyone experiencing issues with their car's key fob. Please contact us if you have any questions or concerns. We'll be happy to help you get back on the road again in Deptford or Cherry Hill.