2003 - 2005 Volvo S40 V40 Key Fob Battery Replacement - EASY DIY

2025 Battery you need - amzn.to/3tVM3eB
Here is a quick and simple video on how to replace the battery in your S40. You do not need any tools to complete the process. As long as your thumbs are strong, you can get this done. Use your thumbs to push off the back half. Then you will have access to your dead / weak 2025 battery. Place the new battery in + side facing upward. Be sure to the battery under the plastic lip in the battery compartment. Clip the back cover and on and you're all set! Hope you found the video helpful!
FACTORY OEM VOLVO FLIP KEYLESS ENTRY REMOTE FCC: HYQ12BBM 4-BUTTON
THIS REMOTE HAS 4 BUTTONS
LOCK - UNLOCK - SEDAN TRUNK RELEASE - PANIC
FCC ID: HYQ12BBM
CANADA: 1551104700
12BBM
DENSO
FCC ID HYQ12BBM
90LP0307