Scorpio Ignition Disabler The Remote Ignition Disable provides an advanced ignition kill with anti-hijack features (see note) that will immobilize the ignition system to prevent hot wiring the vehicle. It even allows the user to remotely cut off the engine in case of a hijack attempt. Compatible with Scorpio SR series alarm systems ONLY. Notes: Anti-Hijack feature is ONLY compatible with Scorpio SR-i900 model alarm.