See also:

To Resume Speed
To resume a previously set speed, push the RES (+) button and release. Resume can be used at any speed above 20 mph (32 km/h). ...

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 ...

To Lock The Doors And Liftgate
Press and release the LOCK button on the RKE transmitter to lock all doors and the liftgate. The turn signal lights will flash and the horn will chirp to acknowledge the lock signal. ...