What does the interlock device system do?

• It will measure the alcohol concentration level in your urine.
• It will measure the breath alcohol concentration level of the driver and will “lock” the vehicle ignition if a breath alcohol concentration reading is above the specified threshold level.
  Explanation:

  "The IIP involves the installation of an interlock device in a vehicle which will measure the breath alcohol concentration level of the driver and will “lock” the vehicle ignition (vehicle will be unable to be started or driven) if a breath alcohol concentration reading is above the specified threshold level."
• Both A and B.
• None of the above.