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 SystemFluid Capacity Specifications (6T40/45/50) Automatic Transmission Unit
Fluid Capacity SpecificationsApplicationSpecificationMetricEnglishValve Body CoverRemoval-–-ApproximateCapacity5.0–7.0-liters5.3–7.4-quartsFluid Change-–-DrainPlug-–-Approximate Capacity4.0–6.0-liters4.2–-6.3-quartsOverhaul-–-ApproximateCapacity8.0–8.5-liters8.5–9.0-quarts ...