How do you reset service light on 2009 Volvo s80 with push start?

To reset the service light on a 2009 Volvo S80 with a push start, first, turn the ignition to the "On" position without starting the engine. Press the "Trip" button on the instrument cluster until you see the "Service" message, then press and hold the "Trip" button for about 10 seconds until the message disappears. Finally, turn off the ignition and then start the engine to ensure the service light has been reset.