Okay, so you changed the battery, and your Nissan still ignores you. Don’t throw your fob into the ocean. First, check that the battery is actually touching the metal contacts. Sometimes they get bent—like that one paperclip you tried to straighten for an hour.
2026 - 2026 Nissan Kicks Key Fob Battery Replacement - How To Remove
If that’s fine, your fob might need to re-sync. Get inside the car, press the start button with the fob (yes, physically touch it to the button), and hold for 10 seconds. The car should beep, and then you’re best friends again.
Worst case? Your fob is dying a slow, electronic death. But that’s extremely rare—like winning the lottery but with car keys. Don’t stress.