How to Replace the Key Fob Battery in a Volvo S60

1. Slide the spring loaded catch to the side.
2. Pull the key blade straight out of the remote key.
3. Insert a small screwdriver in the hole behind the catch and carefully pry up the cover, with the buttons facing upward.
4. Pry out the old battery with a screwdriver and insert the new one with the (+) side downward.
5. Press the cover into place, then slide the key blade into its groove and press gently until it clicks.

• The remote key uses one CR 2430, 3V battery only.
• Avoid touching the battery contact surfaces.
• Replace the battery if the low battery message appears or the locks do not react after several attempts.

Source: 2017 Volvo S60 owner's manual, PDF pages 153, 154. 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.