I HAVE SEAT BELT ON AND HAD MECH RECODE 3-4 TIMES. I DON'T KNOW WHAT A OBD IS FOR BUICK 2K PK AVE. HELP?

DOES ANYONE HAVE ACCESS TO DASHBOARD SPEC PLAN TO LOCATE SERVICE ENG LIGHT? IF I CANT DISABLE SYS CAN I GET RID OF THE LIGHT ITSELF?