Usually triggers secondary functions like remote engine start or trunk release.

A programmable mode designed to safely disable the vehicle if it is forcibly taken.

Triggers alarms upon impact or if someone gets too close to the vehicle. Remote Control Operations

If you need a digital copy of the full manual, you can find it on Inswiki or GTAuto . To help you with a specific problem, How to a new keychain remote? How to emergency disarm the system without the remote?