PREHEAT oven to 250ºF. Lightly grease 15x10x3/4-inch baking pan. Combine cereal, pecans, cranberries and cinnamon in large bowl; set aside. Place sugar, margarine and corn syrup in medium saucepan. Bring to boil on medium-high heat, stirring constantly. Boil 2 min., without stirring. Add baking soda; mix well.
DRIZZLE over cereal mixture; toss to coat. Spread into prepared pan.
BAKE 30 to 35 min. or until crisp and lightly toasted, stirring occasionally. Cool completely.
