Cook and drain noodles as directed on package.
While noodles are cooking, heat oil in 4- to 6-quart Dutch oven over medium-high heat. Cook garlic and chicken in oil 4 to 5 minutes, stirring frequently, just until chicken is no longer pink in center.
Stir in onions, coleslaw mix and meal starter vegetables and sauce. Cover and cook 7 to 9 minutes, stirring frequently, until vegetables are hot. Stir in noodles. Cook 1 to 2 minutes, stirring constantly, until noodles are well mixed.