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  • New Customers
    • RoadGuard’s Ignition Interlock Device
    • DUI Laws by State
    • What Is an Interlock?
    • Schedule Interlock Installation
    • State License Reinstatement
    • Ignition Interlock for Hearing Impaired or Deaf Drivers
    • Ignition Interlock Device Cost
    • Why RoadGuard Interlock?
    • About Us
    • Find a Location Near You
  • Existing Customers
    • Contact Customer Support
    • All Support Topics
    • Frequently Asked Questions
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    • Mechanic Repair Bypass
    • Pre-payment Dispute
    • Refer a Friend
  • Partners
    • Monitoring Authorities
    • MonitoringAuthority.com
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    • Attorney Program
    • Become Interlock Provider

Discover the RoadGuard Interlock blog and learn about ignition interlock devices, DUI laws, and get safe driving and responsible drinking tips.

Living With an Ignition Interlock Device: What Daily Life Really Looks Like

Living with an ignition interlock device is simpler than you expect. See what it looks like, how daily tests work, and habits that keep your record clean.

Does an Ignition Interlock Device Damage Your Car?

A professionally installed ignition interlock is designed not to damage your car. Learn what can cause problems, what is normal, and when to call support.

How Much Alcohol is Really in Your Standard Drink?

One standard drink has 14 grams of alcohol: a 12 oz beer, 5 oz of wine, or a 1.5 oz shot. Learn to count what you actually poured before you drive.

How to Sober Up Fast: What Actually Works (and What Doesn’t)

There is no trick that sobers you up fast. Only time lowers BAC. See what coffee, cold showers, and food really do, plus what helps while you wait.

Ignition Interlock Camera Pictures: What You Need to Know

Learn when an ignition interlock camera takes pictures, what it records, who sees the images, and how to avoid camera violations during your program.

Can You Get a DUI on a Horse? Here’s What You Need to Know

In some states, riding a horse drunk can bring a real DUI charge. See how vehicle definitions decide it, what else you can be cited for, and what comes next.

Dash Cams, Stereo Upgrades, and Other Aftermarket Add-Ons: What to Know When Your Car Has an Ignition Interlock

Adding aftermarket accessories with an ignition interlock? Call RoadGuard support first, use a professional installer, and keep records of the work.

DUI Checkpoint and Your Ignition Interlock: What to Know If You’re Stopped at a Checkpoint

DUI checkpoints are legal in many states and not conducted in others. Here is what a checkpoint stop means when you drive with an ignition interlock.

First-Time DUI Penalties: How They Differ State to State

A first DUI usually brings fines, license action, education, and sometimes an interlock. Learn why penalties differ so much by state and where to verify yours.

Talking to Your Boss About Your Ignition Interlock: A Practical Script

Most drivers never need to tell their boss about an interlock unless they drive for work. Here is when disclosure matters, plus three short scripts.

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