Nissan key battery low 3
https://nissansecurityindicatordaily.stonefielddigest.com/posts/understanding-the-nissan-security-indicator-light-what-that-car-with-key-symbol-means
Your Nissan’s key fob is starting to lose its juice, so you might need to press the button a little harder or stay closer to the car for it to lock and unlock. That faint beep or unresponsive click means the internal battery is almost drained. Replacing it soon will save you the hassle of getting stranded outside your own vehicle.