1Heat closed contact grill 5 minutes. Brush both sides of steak with oil; rub with 2 teaspoons of the taco seasoning mix. Sprinkle vegetables with remaining taco seasoning mix.
2When grill is heated, place steak and vegetables on bottom grill surface. Close grill; cook 4 to 8 minutes or until desired beef doneness.
3Slice steak diagonally across grain into thin slices. Wrap steak and vegetables in warm tortillas; top with salsa.