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:

    Transmission Limp Home Mode
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    Blower Control
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    Working With Automated Systems
    This method is used in instances where one generally has to press numbers on the mobile phone keypad while navigating through an automated telephone system. You can use your Uconnect™ Phone to ...