See also:

Onboard Diagnostic System — OBD II
Your vehicle is equipped with a sophisticated onboard diagnostic system called OBD II. This system monitors the performance of the emissions, engine, and automatic transmission control systems. ...

Multi-Displacement System (MDS) (If Equipped) — 5.7L Engine Only
This feature offers improved fuel economy by shutting off four of the engine’s eight cylinders during light load and cruise conditions. The system is automatic with no driver inputs or additio ...

How To Engage The Automatic Locking Mode
1. Buckle the combination lap and shoulder belt. 2. Grasp the shoulder portion and pull downward until the entire belt is extracted. 3. Allow the belt to retract. As the belt retracts, you will ...