Spray 3 to 4-quart slow cooker with cooking spray. Add meatballs to slow cooker.
In medium bowl, mix barbecue sauce, honey and garlic, mixing well. Pour on top of meatballs in slow cooker; stir to coat.
Cover; cook on High heat setting 2 ½ to 3 hours or until thermometer inserted in center of meatball reads 165°F. Stir before serving to evenly coat meatballs in barbecue sauce mixture.
