How to Replace the Key Fob Battery in a Honda Fit

Steps from the 2020 Honda Fit owner's manual (Smart entry remote).

  1. Remove the built-in key from the remote.
  2. Pry off the upper half of the cover carefully at its edge with a coin.
  3. Take care not to lose the buttons when opening the cover.
  4. Replace the battery with the correct polarity.

Source: 2020 Honda Fit owner's manual, PDF page 539. Steps are summarized in our own words (AI-assisted, checked against the cited pages 2026-10-18). Other model years can differ; your manual has the final word.

Confirm with your own manual, dipstick or door-jamb label.
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