Installation Locations

New Arizona & California Promotion - 1st Month Free!**

Free Standard Installation!

Best Monthly Rental Rates!

No Rebates Needed

No Calibration Fees

No Hidden Fees

Easiest to Use

Straight Blow, No Suck Back or Humming a tune during a test required in AZ & CA

Best Price for an Interlock

Low Cost, Least Expensive, Cheapest Interlock!

Instant Interlock "New Client Price Quotes" (800) 957-0036, Ext 1

**You must provide a credit card for the monthly payments during account setup and a $1 non-refundable administrative fee will be required. To take advantage of the first month free, you must mention Promo Code (freemo1) at time of account setup.

Convenient locations!

Find the nearest location to install your Instant Interlock Device.
Our Device is currently Certified in Arizona, California, New Mexico, Oregon and Texas.

Outside the United States contact us at