This process informs your vehicle’s electrical control unit that it is the vehicle’s key in the ignition point, while the signal sent out will be saved to the ECU of your car. Repeat this mentioned process three to four times while you end the process with the key in the ignition on position.
The Lock Button: After following the third step, with your vehicle key in position and the engine on the ignition mode, press and hold the lock button on the key fob, and then turn the vehicle key back off. Note: Ensure that the ignition isn’t on the radio mode while your engine isn’t running either. Turn On Your Vehicle Ignition System: Once you are comfortably seated in the vehicle and closed all doors, turn on your car’s electrical (ignition) system without starting the vehicle’s engine. This is because if your doors are left open, it could disrupt the key fob’s reset process. Get Inside Your Car: After you have replaced the battery, get inside your vehicle, and close all doors. Note that you should avoid touching the key fob circuit and mind the battery’s positive and negative orientation while replacing it. More so, you can easily lift the plastic cover at the back of the key fob to replace the battery. Most often, the batteries are cheap, easy to replace, and easy to come by. Indeed, a bad key fob battery can cause you severe headaches and confusion whenever you try rebooting it. Replace The Dead Battery: after you have realized that the key fob is malfunctioning due to the weak or dead battery, you should ensure you replace the battery as quickly as possible. More so, you can find more detailed information in your car remote owner’s manual. If the method does not work for your vehicle, you must seek exact details on resetting your vehicle brand’s key fob. However, the process you will be reading here is considered the general and most straightforward method which works for most vehicle brands. Note different vehicle brands have different ways of how you can easily reset their key fob. The following steps would guide you on how you can easily reset your key fob, as the majority of the key fob does not function properly again when the battery has been replaced. How Can I Reset My Key Fob After Replacing The BatteryĪfter you have realized your key fob’s malfunctioning results from the dead/weak battery, you would need to buy a new replacement battery. In this piece, you would understand how you can easily reset your car key fob step by step without considering going to an auto dealer for help, thereby spending your precious money on a less tasking activity. As it stands, resetting your car key fob is relatively more straightforward than you might have thought it would be. Besides, it is believed that you might not be around locations where a certified car mechanic or automobile engineer is located whenever you experience these problems. The key fob is designed to ensure that the most less technical individual can perform some reset on it. You can also experience a signal loss from the key fob, which would make it extremely difficult for you to have access to your vehicle. This can be caused by the weak battery in the key fob. 
You might at some point notice that the key fob is acting up, like finding it difficult to lock or unlock your vehicle doors. The battery holds the key for communicating with the relay modules installed in your vehicle. The same applies to a vehicle key fob, which is powered by a small lithium battery. However, the electronics powered by batteries are subject to a dead battery after a long usage time. It’s frustrating when your key fob doesn’t work after replacing the battery The Role Of Battery In Key FobĪll electronic devices are powered by either a battery (rechargeable/non-rechargeable) or an electric current. All the features mentioned above that your vehicle key fob can perform are achievable based on the level of programming your key fob holds. You can manage your vehicle’s door lock, the trunk, the alarm system, power windows, and of course, ignite your vehicle engine from a distance. Electronic car keys are also referred to as key fobs, which are essential in controlling the activities your vehicle is to perform. Your vehicle will not run if there are issues with electronic parts, as most modern cars use many electronic control units.
One of your primary responsibilities is to keep your vehicle running at its optimum capability as a car owner.
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