Jimmy Trevette's car is a 1994 Pontiac Firebird. The one that Jimmy drives into the water is a 1991 Pontiac Firebird.
After the classroom demonstration of an arrest, a student states that the arrest will not "hold up in court" because the perpetrator was not read their rights, which is then affirmed by the professor. "Miranda rights" do not apply to arrest. "Miranda rights" only apply to interrogation while a person is in custody. This is a falsehood that is commonly put forth in movies and television for dramatic effect.