Turn on the FCAR scanner and select menu “Diagnosis”, “Special Function” and “Service Reset”;

Select “ Diagnostic mode ”;

Select “ Service reset ”;

Select “ American Cars ”；

Select “ GM”；

Select “Buick” ;

Select “ Regal ”

Select “2009-”；

Select “ Oil life set ”；

Select “Enter” after set the oil life value (0-100 ). Go back to the main menu , ignition on and check the service reset light off or not . If yes , the operation has been succeed.