Client rear ended a car that was left half way in the lane of travel on I4. When the officers arrived, they notice his speech was slurred and he had a hard time standing up. They also smelled alcohol coming from his breath. He admitted to drinking 1 ½ glasses of wine at his job shortly before. When he exited the vehicle, he was unsteady on his feet. He was asked to do field sobriety exercises. He complied at first, but then told the officers he was in pain from the accident and could not do them. He was arrested and taken to jail and asked to provide a breath sample. He refused.