Grand Cherokee 4WD Laredo V8-4.7L (2002)
Oil Change Reminder Lamp: Description and Operation
OPERATION
The EVIC (ELECTRONIC VEHICLE INFORMATION CENTER) has access to both non-switched and ignition switched sources of battery current
so that some of its features remain operational at any time, while others may only operate with the ignition switch in the ON position. When the
ignition switch is turned to the ON position, the EVIC module VFD will return to the last function being displayed before the ignition was turned to
the OFF position.
The compass/thermometer display is the normal EVIC display. With the ignition switch in the ON position, momentarily depressing and releasing the
C/T (compass/thermometer) push button switch will cause the EVIC to return to the compass/thermometer/trip computer display mode from any other
mode. While in the compass/thermometer/trip computer display mode, momentarily depressing and releasing the Step push button will step through
the available trip computer display options.
The EVIC trip computer features several functions that can be reset. The functions that can be reset are: average fuel economy, trip odometer and
elapsed time. With the ignition switch in the ON position and with one of the functions of the trip computer that can be reset currently displayed,
depressing the Reset push button twice within three seconds will perform a global reset, and all of the trip computer information that can be reset will
be reset to zero. With the ignition switch in the ON position and the function that is to be reset currently displayed, momentarily depressing and
releasing the Reset push button once will perform a local reset, and only the value of the displayed function will be reset to zero. A global or local
reset will only occur if the function currently displayed is a function that can be reset. The distance to service function can also be reset using the local
reset method, but it will reset back to the Service Interval distance that is set in the EVIC programmable features mode.
