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About Us

Guardian Interlock Systems (GIS) grew from Alcohol Countermeasure Systems (ACS), a division established by Borg Warner to develop and design an alcohol interlock device to prevent a driver from starting a vehicle after consumption of alcohol above a minimum threshold level.

ACS was established in 1976 for the purpose of applying the interlock technology, and went on to develop a variety of breath alcohol systems. Guardian Interlock Systems (GIS) was formed as a separate entity in Canada.

More information is available about interlocks from

Vic Roads

Transport SA

History

In 1985 public intolerance of drinking drivers led GIS to begin redevelopment of the interlock technology.

It introduced the first generation, semi-conductor based interlock devices which led to legislation for interlock devices, (in conjunction with probation or restricted driving privileges) for drink-driving offenders.

In 1992, GIS began the development of the third generation WR2 series with the first use of alcohol specific breath testing technology, accuracy and durability over an extended range of ambient conditions, and extensive anti-circumvention features.

WR2

The WR2 Ignition Interlock was introduced into service in May of 1994. Currently, thousands of WR2 units continue to provide trouble-free in service in Alberta, Quebec, Alaska, Ontario, Saskatchewan, Yukon, Nevada, Pennsylvania, Texas, Sweden and Australia.

WR2 Guardian Interlock Unit

The Guardian WR2

The WR2 was the first interlock device to meet all prescribed standards for interlocks worldwide, and demonstrate the commitment to quality by extremely high levels of reliability worldwide. GIS has developed subsidiaries and partnerships in Canada, Sweden, USA and Australia to market its products and services. All are linked electronically to guarantee the latest innovations in products and services are shared. GIS continues to be the leader in interlock technology with an ongoing research and development program and expanded use of the WR2 in international programs.

Important Notice of NSW Drivers

If you want an Interlock, you can only
have it if you ask for it when you go
to court the first time.

You CAN NOT APPEAL to get an Interlock later.

Guardian Interlocks was the first company approved to supply interlocks to Australians.  

 

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