Reset service interval display, insp and oil service for Volvo S80, that can be made manually by use button on car dashboard.

Reset service light indicator, engine oil life Volvo S80, oil reset instructions:

S80

Turn ignition switch to position I
Press and hold “day counter reset button”
Turn ignition to position II
Continue holding day counter for about 10 seconds
While SRL flashes, release day counter button
Should hear “beep-beep” to confirm command accepted