No. Every person retains the right to remain silent under the Fifth Amendment and does not have to answer any questions, even if stopped for a DUI. However, in Brendlin v. California, the Supreme Court ruled that police do not have to read a Miranda warning before asking questions during a DUI stop. In Salinas v. New York, the court ruled that suspects must tell the police they wish to remain silent, or else silence may be used against them in court. After the questioning period, police often ask suspects to perform standardized field sobriety tests, including the horizontal gaze nystagmus test, one leg stand, and walk-and-turn. To learn more about these tests, please check out our blog post on field sobriety tests.