Interlock calibration checks your device’s alcohol sensor against a known standard. See what happens at the visit, how scheduling works and how to prepare.
A breathalyzer detects alcohol until your body clears it, often hours and sometimes into the next day. See what sets the timeline, including for 2 beers.
Alcohol stays on your breath until your body clears it, often into the next morning. See what an interlock measures and why only time lowers it.
A rolling retest is a breath test your ignition interlock asks for while the engine runs. See how the prompt works and what to do if you miss or fail one.
A trained technician at a state-approved service center installs your interlock. See how to book, what to bring and what happens at the appointment.
Yes, an interlock can go on a motorcycle where your state allows it. See what decides it and how the install appointment works for your bike.
No. Alcohol tolerance changes how drunk you feel and look, but a breath test still measures the alcohol on your breath. Here’s what that means for an interlock.
SATOP is Missouri’s Substance Awareness Traffic Offender Program. See who has to complete it, how screening and levels work, and where an interlock fits.
In many places you can take your interlock driving test in your own interlock car. Confirm with the testing site, bring paperwork and plan for a retest.
Alcohol reaches your blood soon after you drink, yet BAC can keep rising after your last one. Here’s why that happens and what it means for a breath test.