This vehicle has an anti-theft alarm system.

The indicator light, on the instrument panel near the windshield, indicates the status of the system: Off : Alarm system is disarmed.
On Solid : Vehicle is secured during the delay to arm the system.
Fast Flash : Vehicle is unsecured.
A door, the hood, or the liftgate is open.
Slow Flash : Alarm system is armed.
Vehicle Security
Arming the Alarm System#06-00-89-026L: Warranty Administration - Revised Customer Concern Not Duplicated (CCND)/Verified Labor Operation Numbers/How to Submit CCND Transactions...
Subject:Warranty Administration – Revised Customer Concern Not Duplicated (CCND) / VerifiedLabor Operation Numbers/How to Submit CCND Transactions in Global Warranty ManagementModels: 2014 and Prior GM Cars and Light Duty Trucks This bulletin has been revised to update the labor operations. Pl ...