How to Change a Battery in a Nissan Key FOB

The battery inside of a Nissan vehicle key fob is a small, round, 1.5-volt battery. The electric key has three parts to it: the lower and two upper pieces. The key is held together by pressure. If the battery is dead, then the keyless entry and/or wireless start will not work. You will need one basic household tool to disassemble the key fob.

Things You'll Need

  • Flat head screwdriver
  • Replacement battery
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Instructions

    • 1

      Place the edge of the screwdriver between the crack where the upper and lower pieces meet. Turn the screwdriver in either direction until the pieces separate.

    • 2

      Pull the key fob apart and set the pieces onto a table. Pull the battery from between the two upper pieces.

    • 3

      Insert the new battery between the two upper pieces. Make sure the battery is in the same position as the old one.

    • 4

      Reassemble the key by putting the pieces back together and applying pressure until it snaps back. Program the key according to the owner's manual.

Tips & Warnings

  • Your owner's manual will contain instructions on reprogramming the key fob.

Related Searches

References

  • "2007 Nissan Altima Owners Manual"; Nissan; 2007
  • "2009 Nissan Sentra Owners Manual"; Nissan; 2009
  • "Auto Repair For Dummies"; Deanna Sclar; 2008

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