GM Service Manual Online
For 1990-2009 cars only

DIC Button

Function

ECON/1

    • Selects the display of AVG FUEL ECON and INST FUEL ECON data in normal mode.
    • Enters 1 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

FUEL/2

    • Selects the display of FUEL USED data in normal mode.
    • Enters 2 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

RANGE/3

    • Selects the display of FUEL RANGE data in normal mode.
    • Enters 3 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

SPEED/4

    • Selects the display of AVG SPEED data in normal mode.
    • Enters 4 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

ENG/5

    • Selects the display of OIL PRESSURE, OIL LIFE, TRNS FLUID LIFE, and BATTERY VOLTAGE data in normal mode.
    • Enters 5 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

DEST/6

    • Selects the display of DIST TO DEST data in normal mode.
    • Enters 6 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

ETA/7

    • Selects the display of EST TIME ARRIVE and TIME TO DEST data in normal mode.
    • Enters 7 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

ET/8

    • Selects the display of ELAPSED TIME data in normal mode.
    • Enters 8 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

DATE/9

    • Selects the display of DATE data in normal mode.
    • Enters 9 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

OFF/0

    • Blanks the display of data in normal mode.
    • Toggles between English and Metric units when you hold the button down for 2 seconds.
    • Enters 0 in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

RESET (Oldsmobile)

    • Activates the date entry/reset mode from normal mode if you may reset the displayed data. The function invokes a 2 second RESET display message. If you may not reset the displayed data, then this function has no effect.
    • Reinitializes the current data entry/reset mode if the data entry is incomplete. The function retains the previously displayed data. This function allows you to escape from the data entry/reset mode without entering data.
    • Acknowledges the currently displayed warning message in warning mode.

ENTER (Oldsmobile)

    • Has no effect on data in normal mode.
    • Stores data entry in data entry/reset mode. This function enables the next data entry/reset mode, if any. If this function actuates before any new data is selected, the previously displayed data is retained.
    • Acknowledges the currently displayed warning message in warning mode.

RCL (Oldsmobile)

    • Selects the display of currently active vehicle status messages in normal mode.
    • Has no effect in data entry/reset mode.
    • Acknowledges the currently displayed warning message in warning mode.

Note

Within an ignition cycle, when you return to the ECON, ENG, or ETA functions, the DIC displays the previous message displayed within that switch function.

Driver Information Center (DIC)

The driver information center (DIC) consists of a 20 character vacuum fluorescent display. The display conveys to the driver information concerning various vehicle systems. The DIC is part of the heater and air conditioning (A/C) control. The DIC communicates with the instrument cluster via the universal asynchronous receiving/transmitting (UART) B serial data line. The DIC messages are accompanied by a chime within the instrument cluster. The DIC displays the following warnings and information:

    • Air bag warning
    • Battery voltage information
    • Charge system warning
    • Coolant level warning
    • Coolant temperature warning and information
    • Date information
    • Door ajar information
    • Fuel level information and warning
    • Heating, ventilation, and air conditioning (HVAC) overheated and low refrigerant warning
    • Low brake fluid warning
    • Low washer fluid warning
    • Oil level warning
    • Oil life information and warning
    • Oil pressure information and warning
    • Park brake on warning
    • PASS-Key® II warning information
    • Transaxle fluid life information and warning
    • Trip computer information
    • Turn signal on