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:

    Vehicle Storage
    If you are leaving your vehicle dormant for more than 21 days, you may want to take these steps to protect your battery. • Disconnect the negative cable from the battery. • Anytime you store ...

    SET Button – To Set the Pushbutton Memory
    When you are receiving a channel that you wish to commit to pushbutton memory, press the SET button. The symbol SET 1 will now show in the display window. Select the button (1-6) you wish to lock ...

    Special Additives
    Automatic Transmission Fluid (ATF) is an engineered product and its performance may be impaired by supplemental additives. Therefore, do not add any fluid additives to the transmission. The only ...