See also:

ECO (Fuel Saver Mode) — If Equipped
The ECO message will display below the outside temperature in the EVIC display (if the audio system is on the ECO indicator will override the audio information display line) if the Display Fuel ...

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 ...

Emissions Inspection And Maintenance Programs
In some localities, it may be a legal requirement to pass an inspection of your vehicle’s emissions control system. Failure to pass could prevent vehicle registration. For states that require ...