Vehicle interlock device

A vehicle ignition interlock device is a breath test device connected to the ignition of a vehicle to stop it from starting if the driver has been drinking alcohol.

If you opt not to have a vehicle interlock device fitted, you will not be able to legally drive a motor vehicle.

Examples of vehicle interlock device

If you’re in Pennsylvania, you may visit our store locations in Allentown, Meadville, Mechanicsburg, Newton, Philadelphia, Reading and Williamsport.

In Philadelphia, you may visit Oxaudio for your vehicle interlock device needs.

Learn more about Interlock ignition on

Low Cost Interlock is the only Ignition Interlock equipped with Selcius® Inside. This exclusive Interlock heating and cooling feature can save you up to 5 minutes every time you start your vehicle. Low Cost Interlock has gone to great lengths to streamline the installation and calibration process of your ignition interlock device. After your car breathalyzer is installed, we make sure you receive expert training on the operation and care of your Low Cost Interlock (IID) device. Contact us today to schedule your install.