Security Indicator
WARNING: This page is about a different car, the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
SECURITY indicator appears on message center inside instrument cluster. If SECURITY indicator flashes or if SECURITY indicator lights continuously during vehicle operation, see SELF-DIAGNOSTIC SYSTEM .