Reset service interval display, insp and oil service for Volvo S40, V40, that can be made manually by use button on car dashboard.
Reset service light indicator, engine oil life Volvo S40, V40, oil reset instructions:
S40 and V40 (1999+)
1. Hold down the odometer button
2. Turn the ignition so all the lights come on
4. Keep holding the odometer down for 30 secs or until the service light starts flashing
5. Release the odometer button while service light flashing
6. Turn off and on again to check