Under Florida's implied consent law (F.S. 316.1932), what happens if a driver refuses a chemical test when lawfully arrested for DUI?

1. Nothing; the driver has the right to refuse without penalty
2. First refusal results in a 1-year license suspension; second or subsequent refusal is a misdemeanor with 18-month suspension
3. The officer cannot force a test, and there are no consequences
4. Only a warning is issued for the first refusal