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 additional driving skills required.

NOTE:
The MDS system may take some time to return to full functionality after a battery disconnect.

    See also:

    Manual Operation
    This system offers a full complement of manual override features. The AUTO symbol in the front ATC display will be turned off when the system is being used in the manual mode. NOTE: Each of th ...

    NEUTRAL
    Use this range when vehicle is standing for prolonged periods with engine running. The engine may be started in this range. Set the parking brake and shift the transmission into PARK if you must ...

    To Exit Remote Start Mode And Drive The Vehicle
    Before the end of the 15-minute cycle, press and release the UNLOCK button on the RKE transmitter to unlock the doors and disarm the Vehicle Security Alarm (if equipped). Then, prior to the end ...