What does implied consent mean for the breathalyzer test?

• You must agree to the test only if you're of legal drinking age.
• You can refuse the test without consequences.
• You've automatically agreed to the test if arrested for suspected drunk driving.
  Explanation:

  "Implied consent means that any person who drives a motor vehicle has given consent to a chemical (breathalyzer-blood-urine) test to determine the amount of alcohol/drug, if any, in his/her blood if arrested for suspected driving while intoxicated (DWI)."
• You're excused from the test if you have a medical condition.