Disarmed State
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
The CTD system will be in the disarmed state when the ignition switch is in the LOCK off position and all the doors are closed. The BCM will request the security telltale to remain OFF.