Installing the relay
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
Replace the relay.
See the illustration and table for the location of the relays.
| Relay | Description | Notes |
| 12 | Motor, trunk lid / tailgate | USA, Canada |
| 13 | Seat belt reminder / key warning | USA/CDN and Korea |
| 14 | Power window mechanism | USA, Canada |
| 15 | Seat belt reminder | EU/OS excluding Korea |
| Climate control module | USA, Canada |
Connect the battery negative terminal.
- Test relay function.
Install soundproofing panel and screws.