GM Service Manual Online
For 1990-2009 cars only

Driver Information Center

The driver information center (DIC) is used to display alpha-numeric information to the driver and provide a method of displaying select vehicle information upon request. The DIC is a one line, 22 character, vacuum fluorescent (VF) display.

DIC Switches

There are 6 DIC switches, 3 switches on each side of the instrument cluster (IPC).

ENG/MET

The ENG/MET button is the left button of the LH DIC switch. The button is used in order to change the instrument cluster and DIC displays between english and metric units.

DSPL MODE

The DSPL MODE button is the middle button of the LH DIC switch. The button is used in order to change the instrument cluster display. The IPC display has 3 different states.

    • IPC gauges
    • IPC gauges and digital speed display
    • Digital speed display

TRIP (RESET and A/B)

The TRIP button is the right button of the LH DIC switch. The button consists of 2 switches:

    • TRIP RESET -- The top of the TRIP button is used in order to reset the displayed trip odometer to zero.
    • TRIP A/B -- The bottom of the TRIP button is used in order to change the trip odometer between trip A and trip B.

INFO (Up and Down)

The INFO button is the left button of the RH DIC switch. The button consists of 2 switches:

    • INFO Up -- The top of the INFO button is used in order to scroll to the next DIC display parameter.
    • INFO Down -- The bottom of the INFO button is used in order to scroll to the next DIC display parameter.

INFO RESET

The INFO RESET button is the middle button of the RH DIC switch. The button is used in order to acknowledge DIC messages, clear the timer, and reset various DIC functions. The button will acknowledge the currently displayed DIC message or reset the currently displayed DIC parameter.

ON/OFF

The ON/OFF button is the right button of the RH DIC switch. The button for the 2 following functions:

    • Feature Programming -- Turn the currently displayed parameter on and off.
    • Timer -- Start and stop the timer.