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#07-08-49-020H: IPC Odometer Programming Method Quick Reference Guide - (Jun 5, 2013) Gauges Odometer
Subject:IPC Odometer Programming Method Quick Reference GuideModels: 2003-2014 GM Passenger Cars and TrucksAttention: This bulletin applies to vehicles sold in the U.S. and Canada Only.This bulletin is being revised to add the 2014 model year and update model list. Pleasediscard Corporate Bulletin ...