oil service life gauge on 2008 Honda Civic

yesterday had the oil changed the oil service life gauge still says oil life at 50%. should the gauge autoreset or do i have to reset it bought the car used and dont have the manual

Asked by for the 2008 Honda Civic
Customer Concern: Needs to know how to reset the oil life monitor.
Tests/Procedures: 1. Press the select reset until the oil life displays. Press and hold the select reset button down for 10 seconds, when the display starts the blink, release and hold down for five more seconds.