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Part of Impaired driving

Ignition interlock programs

These programs allow suspended drivers to drive with an ignition interlock device in their vehicles.

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Ignition interlock programs

Introduction

Drivers who receive an impaired driving suspension may be eligible or required to participate in the Ignition Interlock Program to continue driving while serving their suspension term.

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​Ignition interlock device

An ignition interlock device is an in-vehicle alcohol breath-sensing device that measures the breath alcohol concentration (BrAC) levels of the driver. The device prevents a vehicle from starting if it detects a BrAC over a pre-set limit. It is located inside the vehicle, near the driver's seat, and is connected to the engine's ignition system.

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