In medium bowl toss pecans with corn syrup, melted butter and vanilla. In small bowl, combine brown sugar and salt; mix well. Add sugar mixture to pecans, stirring to evenly coat nuts. Spread nuts on aluminum foil-lined baking sheet. Bake pecans in preheated 350 F oven for 5 minutes. Stir pecans; bake an additional 5 minutes. Remove from oven. Immediately spread pecans onto parchment paper, using two forks to separate each nut. Cool completely. Store in airtight container. Do not refrigerate.