See also:

Disabling And Enabling HSA
This feature can be turned on or turned off. To change the current setting, proceed as follows: For vehicles equipped with the Electronic Vehicle Information Center (EVIC), refer to “Hill Start ...

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 ...

When To Use 4L (Low) Range
When off-road driving, shift into 4L (Low) for additional traction and control on slippery or difficult terrain, ascending or descending steep hills, and to increase low speed pulling power. This ...