How to Replace the Key Fob Battery in a Honda Accord

1. Remove the built-in key from the keyless remote.
2. With the buttons facing down, pry the slot with the key grip to remove the upper half of the cover.
3. Pry the battery out at its edge with a flat-tip screwdriver.
4. Install the new CR2032 battery with the correct polarity.

• Replace the battery if the indicator does not come on when the button is pressed.
• Wrap the key grip and screwdriver with a cloth to prevent scratching the remote.
• Battery type: CR2032

Source: 2026 Honda Accord owner's manual, PDF pages 301, 302. 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.