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:

    Customer Key Programming
    Programming Key Fobs or RKE transmitters may be performed at an authorized dealer. ...

    Extreme Cold Weather (Below –20°F Or 29°C)
    To ensure reliable starting at these temperatures, use of an externally powered electric engine block heater (available from your authorized dealer) is recommended. ...

    Spare Tire Stowage
    The compact spare tire is stowed under the rear load floor in the trunk. Spare Tire Removal Lift up the load floor cover and remove the hold down. Spare Tire and Jack Stowage ...