See also:

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 ...

Fuel Economy
Press and release the UP or DOWN button until “Fuel Economy” displays highlighted in the EVIC and press the SELECT button. Press and release the UP/DOWN buttons until one of the following Fu ...

Using Automatic Mode
Press and release the button in the center of the switch and the Sky Slider™ will close automatically from any position. ...