Preheat oven to 300°F.
Combine chili sauce, Coke and soup mix.
Place brisket in a foil-lined baking pan. Pour sauce
mixture over brisket and cover with another sheet of foil sealing edges.
Bake at 300°F for 3 to 3-1/2 hours until tender.
Carve brisket against the grain and serve the pan juices as a sauce.