Once the fob is open, you’ll see a shiny, disc-like battery (usually a CR2032, if you want to sound smart at parties). It’s held in by clips that are designed to make you cry. Use your fingernail or a flathead screwdriver to gently pop it out. But be warned: these batteries are fickle. One wrong move and it’ll fly across the room, never to be seen again, joining the legion of missing socks and single earrings.
How To Open Nissan Key Fob To Replace Battery
Fun fact: That little battery powers a radio transmitter that can unlock your car from up to 30 feet away. It also secretly judges you when you forget where you parked. Replace it with a fresh one, positive side up, and snap the fob halves back together. The sound of that click is more satisfying than a cold drink on a hot day.
What If It’s the Old-School Flip Key?
If you drive a Nissan from the early 2000s—like a Maxima or Pathfinder—you might have the flip key, which folds into the fob like a switchblade comb. These are trickier. Look for a tiny screw at the base of the flip mechanism. It’s usually a JIS (Japanese Industrial Standard) screw, not a Phillips. Yes, Japan has their own screw standard, because why make life easy?
You’ll need a small screwdriver that fits perfectly. If you strip that screw, you’re basically stuck with a key that now resembles a limp noodle. Pro tip: heat the screw with a lighter for two seconds to loosen the thread locker. Don’t overdo it, or you’ll have a melted fob and a great story for the emergency room.
How To Open Nissan Key Fob To Replace Battery