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 SystemPower Brake Booster Vacuum Sensor Replacement (LEA) Hydraulic Brakes Brake Booster
Removal ProcedureWith the engine OFF, apply and release the brake pedalseveral times until the brake pedal becomes firm to deplete thepower vacuum brake booster vacuum reserve.Disconnect the power brake booster vacuum sensor electricalconnector.Remove the power brake booster vacuumsensor-(1)-from th ...