See also:

Load Leveling System — If Equipped
The automatic load leveling system will provide a levelriding vehicle under most passenger and cargo loading conditions. A hydraulic pump contained within the shock absorbers raises the rear of ...

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 ...

PARK
This range supplements the parking brake by locking the transmission. The engine can be started in this range. Never attempt to use PARK while the vehicle is in motion. Apply the parking brake wh ...