Changing the Battery in Your Mini Key Fob
The key fob is an easy method to lock and unlock your vehicle from the distance. It also allows you to activate your vehicle's panic button which can prevent burglaries.
You can repair your fob by following a few steps. First, make sure the battery is in good condition. Then, you can try removing it from the ignition by pressing the lock button three times quickly.
Battery
The easiest way to fix the battery in your key fob is to replace it. The fob uses the small coin-shaped battery (CR2032 or and CR2025), which is easily found in a variety of general stores as well as home improvement stores and auto parts stores. Use a new battery. Old batteries can cause damage to the circuit boards and cease to be useful.
You'll want to start by opening the fob. You may have to use a flat screwdriver break the two halves. Place the screwdriver through the seams on both sides of the fob and lift the clips that hold it in place. They are very easily broken therefore, take your time and work slowly.
After replacing the battery then reassemble the fob and examine it to determine if everything is working exactly as it should. If it's not working, try pressing the button several times and checking whether the contacts are clear. You can also test it with a spare fob to see if the problem is not specific to the key. If it isn't then there could be a different reason that the key fob isn't functioning. It could be due to a worn-out button, as an example. This will only cause the button to work a few times and not all the time.
Interference
The key fob is powered by a small transmitter that sends out the signal in a short distance to a receiver located in your car. Its goal is to enable your car to recognize the fob and then open its doors when you come close to it and also start when you hit the ignition button inside.
Interference may sometimes hinder communication. For instance, if have your second-generation Apple Pencil charged while you're holding the fob, it might stop you from unlocking your car (via iGeneration).
Other electronic devices that operate on the same frequency may also interfere with the fob's signal. This can include garage door openers and tire pressure monitoring systems. Even a transmitter at your home could be interfering however it would be difficult for a professional to test.
The key fob might need to be reprogrammed. This procedure requires the transmitter in your fob to be recognized by the receiver inside your Mini and a unique code is assigned to each pairing. The fob needs to be programmed after being disconnected or replaced after you purchase a replacement and in certain cases when the battery is replaced. Follow mini keys in your owner’s manual to program a key fob, or consult a dealer.
Chips that aren't working
Modern electronic key fobs offer more convenience and functions than traditional manual keys. However, they are also more prone to damage. One of the most common issues is a damaged chip that stops your key fob from working properly. This is usually a simple fix.
If your fob is always failing to turn on your car, this could be a sign that the chip is defective. The issue can be repaired by replacing the battery, which is cheap and easy to locate at an hardware store or big-box retailer. Make sure to purchase a replacement battery that is compatible with your specific model of vehicle to avoid any further problems.
The fob should not be exposed to water, or soapy residue. Water can cause corrosion and interfere with the circuitry. If this is the situation you'll have to clean the board with isopropyl or an electronic cleaner prior to installing a new battery.
It is a good practice to test the operation of the fob before driving the vehicle. Test the voltage of the new battery with an voltmeter to make sure it's secure. If not then you may require replacing the entire remote chip. A qualified dealer technician can assist you in determining the best solution for your vehicle.
Reprogramming
We provide a slim replacement key fob to replace your old key fob. It works exactly as the original one, and comes with full fitting instructions with every order. We also offer an online customer support line.
Sometimes your mini key fob begins to fail or cease working completely. This can happen due to a variety of reasons and it can be very stressful as the car won't start and you'll have to wait for a while for a time before you can drive again. But, reprogramming the fob may be the solution and it's easy to accomplish.
The first step is to make sure that the battery on the key fob is in good shape and that it has not been replaced. When a new key fob battery has been installed, it cannot be reset. It will need to be replaced.
Once the key fob is programmed, it will be capable of communicating with the car and control its functions including the radio, air conditioning and even the sunroof and windows. It also has the ability to activate comfort access, which means that the doors for the driver will open and close automatically when you enter the vehicle or the seats move to assist you in getting in and out. The key fob will then alter the mirrors, the radio, and the climate control settings to suit your preference.