1. Sauté first 3 ingredients in hot oil in a small saucepan over medium heat 3 to 5 minutes or until tender. Stir in next 7 ingredients. Bring to a boil; reduce heat to medium-low, and simmer 5 minutes.
2. Place half of ribs in a single layer in a lightly greased 6-qt. slow cooker. Pour half of sauce mixture over ribs. Top with remaining ribs in a single layer. Pour remaining sauce mixture over ribs. Cover and cook on HIGH 4 hours or until tender. Transfer to a serving platter.