In 12-inch nonstick skillet, heat 1 tablespoon of the oil over medium-high heat. Cook ribs in oil about 5 minutes, turning once, until brown. Place ribs in baking dish; turn to coat with sauce mixture. Add remaining 1 tablespoon oil to skillet; increase heat to high. Cook carrots, celery, onion and garlic in oil 3 minutes, stirring frequently.