Authorities say extra Amanda Bynes has been arrested on suspicion of active beneath the access afterwards she aching a sheriff's convoying car.The 26-year-old extra was arrested about 3am on Friday in West Hollywood.The Los Angeles County sheriff's administration says that Bynes attempted to canyon a convoying car authoritative a appropriate about-face if she hit it.Deputies who arrested her doubtable she was bashed at the time. Bynes is getting captivated on $5,000 bail.Deputies say there was acrylic accident to both cars, but no one was injured.