Canadian Standard for Automobile Theft Deterrent Systems (ULC S338)*

This is the benchmark for all immobilizer theft deterrent systems. In after-market systems, the Canadian Standard demands that the immobilizer cut three vital circuits in the vehicle – the starter, the ignition and the fuel supply – to disable the vehicle. In Original Equipment Manufacturers (OEM) systems, the immobilizer disables the fuel injection system to render the vehicle inoperable. The Canadian Standard also requires that each theft deterrent system undergo extensive laboratory testing. Immobilizers meeting ULC S338 offer a proactive means of preventing vehicle theft.

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