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
    You can program new keys to the system if you have two valid Sentry Keys by performing the following procedure: 1. Cut the additional Sentry Key Transponder blank(s) to match the ignition switch ...

    Rear Power Distribution Center
    There is also a power distribution center located in the trunk under the spare tire access panel. This center contains fuses and relays. Opening The Access Panel Rear Power Distribution Cent ...

    Locking The Doors With The Key
    There is only one external door lock cylinder which is located in the driver’s door. You can insert the key with either side up. To lock the door, turn the key rearward. To unlock the door, tur ...