What is true about an ignition interlock device?

If ordered by a judge as a condition of probation pertaining to some alcohol-related offenses, it must be purchased and installed at the expense of the motorist.
A vehicle with an installed ignition interlock device cannot be started until the driver provides an acceptable sample breath.
It measures the alcohol content of the breath of the driver.
All of the above.
Explanation

An ignition interlock device (IID) is a car breathalyzer that judges may order to be installed for drivers convicted of driving under the influence. This device requires drivers to take a breath test before starting their vehicle and allows them to drive only if their BAC level is within an acceptable range.

Answer Statistics

🟡 This question is moderately difficult27.2% of our users answer it incorrectly.

Other questions in the same category: Alcohol and Drug Effects on Driving
This question appears in the following DMV practice tests: