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How to Change the Battery in Your Nissan Key Fobs Nissan key fobs permit drivers to lock their cars and then unlock them from a distance. They also allow you to start the car whenever needed. Our certified technicians and experts in parts can assist you if require a new Nissan smart key or are experiencing issues with your existing one. Keyless Entry The Nissan keyless entry system is a fantastic feature that allows you to lock and unlock your Nissan with the touch of a button. This system also works to enable you to start your car remotely, without having to insert an ignition key. However, the system relies on a battery in order to function. When the battery is dead and it is no longer functional, you will be in a position where you are unable to use your key fob. You could even be locked out of your vehicle. It is important to know how to replace the battery in your Nissan's key fob in as short a time as possible. To begin, shut off your vehicle and then open the door to find the key fob. Flip the key fob over and look for the small release latch. Once you've pressed the latch that releases it is possible to remove the cover. nissan qashqai key will notice that the fob's key has many wires. They are used for communication with the computer onboard of your vehicle. You will be able locate the necessary wires and follow the instructions in your owner's manual make the necessary connections. After you've completed the connection, the key fob can be put back together. Changing the battery in your key fob may seem like a daunting task but it's actually not as difficult as you may think. Follow these steps to complete this task within minutes. Remote Start Your key fob is capable of much more than just locking your car's doors. It can also remotely start your car, open the windows, activate multiple drivers profiles, and more. It's important that you know how to make use of the device and replace the battery when needed. If your Nissan does not have remote start, it might be an easy upgrade with our Service Center professionals. This will give you the ability to start your car from afar and help you avoid freezing mornings. You can also add a smartphone application for added convenience. To use the remote to start your Nissan, make sure that your Smart Key is within range. You'll want to make sure that your car has been turned off, and the key isn't in the ignition. Once you're done to press and hold the key fob's keychain button. You'll notice the car's hazards lights flash to indicate that your key fob is successfully programmed and linked to your Nissan. If your key fob hasn't linked to your Nissan, try retracing your steps. You'll need to check that your key fob isn't lost somewhere along the way. If you're unable to locate it you can ask a trusted person to help. They might be able to locate it in a surprising dark area, such as cracks in the couch cushion or under the counter. Lockout Protection If you ever lock your key fob inside your car, a feature of the Intelligent Key system in some models will stop it from locking your car or trunk. It uses technology for location recognition to detect when the Intelligent Key is in the trunk or the cabin. You'll get an audible alert and a vibration on your key fob when the key is detected. Examine if your key fob is acting strangely. It could be blocked by something. Check to see if any wireless devices are within a few feet from the key fob. Wireless security systems, like can interfere with key fob's signal and cause your key fob to stop working. You can try using a coat hanger made of wire, or another long, thin tool to slip underneath the trunk or door to take the key fob out of the car. It may take some trial and error. Once you're done, be sure to test your Intelligent Key fob with the doors shut. You should stand a few steps away from your Nissan and click the buttons on the fob. If the light flashes, and the horn sounds, you have successfully programmed your Intelligent Key fob. If not, contact Speck Nissan and speak to one of our staff members. Remote Lockout It's not uncommon for car key remotes to stop working due to one reason or another. Fortunately, most of the times, it's just an issue with the battery, and you can replace it yourself. You can also try to reset the system by pressing the lock or unlock button several times in succession. You might hear a chime depending on the model of your vehicle, indicating that you have successfully reset the system. There are also automakers that offer a service you can contact (like GM's long-running OnStar for its vehicles and Mercedes-Benz's Mbrace, or Hyundai Blue Link) which will send a person to assist you. Certain features of your Nissan Intelligent Key fob can keep you from being locked out. For instance, your vehicle's sensor system can tell that your fob is inside the trunk or cabin of your vehicle. It will send an audio alert and a vibration to your fob, so you'll know that you left it in the vehicle. Some models come with a real key blade that you can use if the battery of your fob dies or something else goes wrong. On the Rogue, for example you can access the hidden key by flipping the release tab on the back of your fob. You must be within the range of the sensor in your Nissan vehicle to enable this feature to function. This process is more complex than simply turning on the key of the car however it could save you a lot of time and effort.