 See, we didn't have to use crash or siren sounds after all. Speeding catches up with you. Brought to you by NHTSA. Peek-a-boo. Peek-a-boo. Smile. Smile, buddy. Good luck. Smile. Oh, honey, he's still not smiling. Maybe he's not a smiler. Yeah, maybe he's just not a happy baby. Maybe he's just being a boy. You know how boys are.