GM Service Manual Online
For 1990-2009 cars only

Vehicle Information Display

The vehicle information display parameters are available to the driver during the RUN power mode. The driver navigates through the various parameters displayed on the driver information center (DIC) using the INFO Up and INFO Down DIC buttons. Some parameters can be reset using the INFO RESET button.

Some parameters require information from other modules via class 2 serial data messages. If the instrument cluster (IPC) has not received data for a parameter when the time has come to display the parameter, the IPC will blank the data on the DIC. If the IPC has determined that a class 2 communication failure with one of the modules exists when the time has come to display the parameter, the IPC will display dashes on the DIC.

The vehicle information display parameters are displayed in the following order:

  1. Outside air temperature
  2. Fuel range
  3. Average fuel economy
  4. Instantaneous fuel economy
  5. Fuel used
  6. Average vehicle speed
  7. Timer
  8. Battery Voltage
  9. Engine oil life
  10. Transmission fluid life
  11. Cellular Telephone (w/UV8)
  12. Feature Programming
  13. Blank display

When the INFO Up button is pressed, the DIC will display the next parameter on the list. When the INFO Down button is pressed, the DIC will display the previous parameter on the list. When the blank display is currently being displayed and the INFO Up button is pressed, the DIC will display the outside temperature parameter.

Outside Air Temperature

The outside air temperature parameter value is supplied by the instrument panel integration module (IPM) to the IPC via class 2 serial data messages. The outside air temperature parameter cannot be reset by the driver. The outside air temperature parameter is displayed on the DIC in one of the following formats:

    • XXX °F OUTSIDE TEMP
    • XXX °C OUTSIDE TEMP

The XXX represents the supplied temperature value. The units of the display will correspond to the current instrument cluster setting.

Fuel Range

The fuel range is the estimated distance that the vehicle can travel under the current fuel economy and fuel level conditions. The fuel range parameter cannot be reset by the driver. The fuel range parameter is displayed on the DIC in one of the following formats:

    • XXX MILES RANGE
    • XXX km RANGE
    • LOW RANGE

The XXX represents the calculated range value. The units of the display will correspond to the current instrument cluster setting. The LOW RANGE message is displayed when the range is calculated to be less than 64 km (40 miles).

Average Fuel Economy

The average fuel economy is a function of distance divided by fuel used since the parameter was last reset. When the average fuel economy is displayed on the DIC, pressing the INFO RESET button on the DIC will reset the average fuel economy parameter. The average fuel economy parameter is displayed on the DIC in one of the following formats:

    • XX.X MPG AVG
    • XX.X L/100km AVG
    • XX.X km/L AVG (Japan metric)

The XX.X represents the calculated average fuel economy value. The units of the display will correspond to the current instrument cluster setting. The DIC will display 0.0 for the english and Japan metric modes and 99.9 for the normal metric mode when the parameter is reset.

Instantaneous Fuel Economy

The instantaneous fuel economy is a function of distance divided by fuel used over a short period of time. The instantaneous fuel economy cannot be reset by the driver. The instantaneous fuel economy parameter is displayed on the DIC in one of the following formats:

    • XX MPG INST
    • XX L/100km INST
    • XX km/L INST (Japan metric)

The XX represents the calculated instantaneous fuel economy value. The units of the display will correspond to the current instrument cluster setting. The DIC will display 0 for the english and Japan metric modes and 99 for the normal metric mode after the battery has been disconnected and then reconnected.

Fuel Used

The fuel used parameter is the amount of fuel that has been used since the last parameter reset. When the fuel used is displayed on the DIC, pressing the INFO RESET button on the DIC will reset the fuel used parameter. The fuel used parameter is displayed on the DIC in one of the following formats:

    • XX.X GAL FUEL USED
    • XXX.X L FUEL USED

The XXX.X represents the calculated fuel used value. The units of the display will correspond to the current instrument cluster setting. The DIC will display a range from 0.0 to 99.9 GAL in the english mode and from 0.0 to 999.9 L for the metric mode.

Average Vehicle Speed

The average vehicle speed is a function of the vehicle speed over the time since the parameter was last reset. When the average vehicle speed is displayed on the DIC, pressing the INFO RESET button on the DIC will reset the average vehicle speed parameter. The average vehicle speed parameter is displayed on the DIC in one of the following formats:

    • XXX.X AVG MPH
    • XX.X AVG km/h

The XXX.X represents the calculated average vehicle speed value. The units of the display will correspond to the current instrument cluster setting.

Timer

The timer is used to record elapsed time. When the timer is displayed on the DIC, pressing the INFO RESET button on the DIC will reset the timer. The timer is started and stopped by pressing the ON/OFF button on the DIC. The timer is displayed on the DIC in one of the following formats:

    • XX:XX:XX TIMER (ON)
    • XX:XX:XX TIMER (OFF)

The first XX represents hours elapsed, the second XX represents minutes elapsed, and the third XX presents seconds elapsed. The ON or OFF is a fixed display on the DIC and indicated whether the timer is currently running. The maximum range of the timer is 99 hours, 59 minutes, and 59 seconds. After the maximum range is reached, timer will roll-over and display all zeros (00:00:00).

Battery Voltage

The battery voltage parameter value is supplied by the dash integration module (DIM) to the IPC via class 2 serial data messages. The battery voltage parameter cannot be reset by the driver. The timer is displayed on the DIC in one of the following formats:

    • XX.X BATTERY VOLTS OK
    • XX.X BATTERY VOLTS LOW
    • XX.X BATTERY VOLTS HIGH

The XX.X represents the supplied battery voltage value. The battery voltage value will range between 0.0 and 17.0 volts. When the battery voltage is less than 10.5 volts for 30 seconds, the BATTERY VOLTS LOW will be displayed. When the battery voltage is greater than 16.2 volts for 30 seconds, the BATTERY VOLTS HIGH will be displayed.

Engine Oil Life

The engine oil life parameter is calculated by the powertrain control module (PCM) and the information is provide to the IPC via class 2 serial data messages. When the engine oil life is displayed on the DIC, pressing the INFO RESET button on the DIC for 5 seconds will reset the engine oil life parameter. The engine oil life is displayed as XXX% ENGINE OIL LIFE. The XXX represents the calculated engine oil life value. The value will range between 100% and 0%.

Transmission Fluid Life

The transmission fluid life parameter is calculated by the powertrain control module (PCM) and the information is provide to the IPC via class 2 serial data messages. When the transmission fluid life is displayed on the DIC, pressing the INFO RESET button on the DIC for 5 seconds will reset the transmission fluid life parameter. The transmission fluid life is displayed as XXX% TRANS FLUID LIFE. The XXX represents the calculated transmission fluid life value. The value will range between 100% and 0%.

Cellular Telephone

An integrated cellular telephone is an available vehicle option. When equipped, the cellular telephone displays are integrated into the instrument cluster to allow the display of phone status information on the DIC. The telephone displays on the DIC are intended to resemble the information displayed on the cellular telephone handset, so the driver can perform hands-free operation of the cellular telephone. The IPC and cellular telephone communicate via class 2 serial data messages. The IPC control the information on the DIC and driver warning messages will interrupt telephone displays because of a higher priority.

Most cellular telephone displays on the DIC are displayed due to requests by the cellular telephone via class 2 serial data messages. The following is a list of cellular telephone status information and messages. When the message listed is divided by a dash (--), the second portion of the message is right justified on the DIC.

Received Signal Strength Indicator

The display indicates the signal strength from the cell site that the cellular telephone is currently detecting. The received signal strength indicator uses the 3 characters following PHONE on the DIC. Each character is capable of displaying 5 bars to represent signal strength. The DIC can display the signal strength level within the range 0 to 15. The received signal strength indicator is only displayed for certain cellular telephone status information and messages.

Phone Alphanumeric Display

The display indicates a recall of a text string or phone number from a memory location. The display will include the received signal strength indicator display. The phone alphanumeric display is displayed as PHONE -- XX XXXXXXXXXX. The 2 digit XX represents the number for the memory location in the cellular telephone. The 10 digit XXXXXXXXX represents the text string or phone number stored in the memory location. A text string may contain letters and numbers.

PHONE -- CALL

The message indicates that an incoming call has been received by the cellular telephone. The message will include the received signal strength indicator display. The message can be displayed as a driver status message.

Phone Call Timer

The display indicates the length of time for a call is in progress or the running call timer is displayed. The phone call timer is displayed PHONE -- TIMER XX:XX. The first XX represents minutes elapsed and the second XX presents seconds elapsed. The display will include the received signal strength indicator display. The display can be displayed as a driver status message.

The timer can be set to display the time for an individual call or set to display the running call time. The programming function is performed through the cellular telephone handset.

Phone Digit Dialing

During phone digit dialing, the cellular telephone key pad is be used to enter a phone number to be called. The display will include PHONE and the received signal strength indicator display. Up to 14 digits can be used to display the digits being dialed. The digits will start at the far right of the display and scroll from right to left as more digits are dialed. If more than 14 digits are dialed, only the last 14 digits will be displayed.

When the CLEAR button is pressed on the telephone handset, the cellular telephone deletes the last digit dialed. The digit is also removed from the DIC display and the remaining digits are scrolled one digit to the right.

Phone Incoming Caller ID

The display indicates an incoming telephone call has been received by the cellular telephone and the caller's ID can be identified. The display will include the received signal strength indicator display. The phone incoming caller ID is displayed as PHONE -- XXXXXXXXXX. The 10 digit XXXXXXXXX represents the text string or phone number of the incoming caller. A text string may contain letters and numbers.

PHONE -- LOCKED

The message indicates that the cellular telephone is currently locked and that an unlock code is required to use the cellular telephone. The message will include the received signal strength indicator display. The message can be displayed as a driver status message or in the vehicle information display.

PHONE -- NO HANDSET

The message indicates that the cellular telephone handset is physically disconnected. The message can be displayed as a driver status message or in the vehicle information display.

PHONE -- NO SERVICE

The message indicates that the cellular telephone service is not currently available. The message can be displayed as a driver status message or in the vehicle information display.

PHONE -- NOT PRESENT

The message indicates that the vehicle is configured to have a cellular telephone, but the cellular telephone is not communicating with the IPC. Under the above conditions, the message will be displayed when either the cellular telephone status is displayed in the vehicle information display or the driver activates the cellular telephone by pressing the PHONE or RECALL buttons on the steering wheel controls.

PHONE -- OFF

The message indicates that the cellular telephone power button is in the state of OFF. The message can be displayed as a driver status message or in the vehicle information display.

PHONE -- ON

The message indicates that the cellular telephone power button is in the state of ON, but no other active conditions currently exist. The message will include the received signal strength indicator display. The message can be displayed as a driver status message or in the vehicle information display.

PHONE -- PAUSE

The message indicates that the cellular telephone is currently in pause status. The message will include the received signal strength indicator display. The message can be displayed as a driver status message.

PHONE -- ROAM A

The message indicates that the cellular telephone is currently in roam A status. The message will include the received signal strength indicator display. The message can be displayed as a driver status message or in the vehicle information display.

PHONE -- ROAM B

The message indicates that the cellular telephone is currently in roam B status. The message will include the received signal strength indicator display. The message can be displayed as a driver status message or in the vehicle information display.

Phone Volume

The display indicates the level of the cellular telephone volume. The phone volume displays the PHONE with the received signal strength indicator display, which is followed by 3 blank characters on the DIC. After the 3 blank characters, the phone volume displays VOL and a blank character on the DIC. Then, the following 7 characters are use to display the level of the phone volume. Each character is capable of displaying 5 bars to represent volume. The DIC can display the phone volume level within the range 0 to 35. The display can be displayed as a driver status message.

Feature Programming

If equipped, the driver will have the ability to program certain vehicle features. There are 2 levels to the feature programming.

    • Vehicle feature programming - the features will be programmed for all drivers.
    • Driver Feature programming - the feature can be programmed for each individual driver.

The display is part of the vehicle information display on the driver information center (DIC). The FEATURE PROGRAMMING will be displayed only when the power mode in RUN and the gear selector is in PARK. With driver feature programming, the driver must also be identified before the FEATURE PROGRAMMING will be displayed on the DIC. The DIC includes fixed ON and OFF displays that are used to display the status of each feature parameter. To program the vehicle features, perform the following steps:

  1. Use the DIC buttons in the vehicle information display to display FEATURE PROGRAMMING (OFF) on the DIC.
  2. Press the ON/OFF button on the DIC.
  3. • With vehicle programming, the DIC displays the first feature to be programmed.
    • With driver programming, the DIC displays the driver that has been identified for 5 seconds. After 1 second of blanking time, the DIC displays the first feature to be programmed.
  4. With the feature displayed, pressing the ON/OFF button on the DIC with change the state of the parameter.
  5. Press the INFO Down button to display the next feature to be programmed. Press the INFO Up button to display the previous feature to be programmed.
  6. Repeat steps 3 and 4 until all features are programmed. The FEATURE PROGRAMMING (OFF) is displayed after all features are programmed.

If any of the following conditions occur, the feature programming will be exited:

    • The driver presses the INFO RESET button on the DIC.
    • The gear selector is shifted out of PARK.
    • The power mode is no longer RUN.
    • With driver feature programming, the driver identified changes.

The following is a list of the feature programming parameters.

REMOTE RECALL MEMORY

The feature parameter is only displayed with driver feature programming. When the feature is ON, the driver seat and both mirrors will recall when the Unlock button on the keyless entry transmitter is pressed.

KEY IN RECALL MEMORY

The feature parameter is only displayed with driver feature programming. When the feature is ON, the driver seat and both mirrors will recall when the key is inserted into the ignition.

AUTO EXIT SEAT

The feature parameter is only displayed with driver feature programming. When the feature is ON, the driver seat will recall to the EXIT position when the ignition is transitioned from RUN to OFF and the driver door is opened.

AUTO EXIT STRG WHEEL

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, the steering wheel will recall to the EXIT position when the ignition is transitioned from RUN to OFF and the driver door is opened.

LIGHTS FLASH AT UNLOCK

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, the exterior lights will flash when the Unlock button on the keyless entry transmitter is pressed.

LIGHTS FLASH AT LOCK

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, the exterior lights will flash when the Lock button on the keyless entry transmitter is pressed. This parameter is related to HORNS SOUND AT LOCK.

    • If the LIGHTS FLASH AT LOCK is set to OFF, the HORNS SOUND AT LOCK will be set to OFF.
    • If the HORNS SOUND AT LOCK is set to ON, the LIGHTS FLASH AT LOCK will be set to ON.

HORNS SOUND AT LOCK

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, the horn will sound when the Lock button on the keyless entry transmitter is pressed. This parameter is related to LIGHTS FLASH AT LOCK.

    • If the HORNS SOUND AT LOCK is set to ON, the LIGHTS FLASH AT LOCK will be set to ON.
    • If the LIGHTS FLASH AT LOCK is set to OFF, the HORNS SOUND AT LOCK will be set to OFF.

EXT LIGHTS AT LOCK

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, the exterior lights will turn ON until one of the following conditions occur when the Unlock button on the keyless entry transmitter is pressed.

    • The exterior lights have been ON for 20 seconds.
    • A door is opened.
    • The ignition switch is transitioned out of OFF.
    • The Lock button on the keyless entry transmitter is pressed

DOORS LOCK IN GEAR

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, all doors will automatically lock when the all doors are closed and the gear selector is removed from PARK. This parameter is related to the following parameters:

    • DRIVER UNLOCK IN PARK
    • DRIVER UNLOCK AT KEY OFF
    • DOORS UNLOCK IN PARK
    • DOORS UNLOCK AT KEY OFF

The parameter are related to one another as follows:

    • If the DOORS LOCK IN GEAR is set to OFF, all of the above parameters will be set to OFF.
    • If one of the above parameters is set to ON, the DOORS LOCK IN GEAR will be set to ON.

DRIVER UNLOCK IN PARK

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, the driver door will automatically unlock when the gear selector is placed in PARK. This parameter is related to the following parameters:

    • DOORS LOCK IN GEAR
    • DRIVER UNLOCK AT KEY OFF
    • DOORS UNLOCK IN PARK
    • DOORS UNLOCK AT KEY OFF

The parameter are related to one another as follows:

    • If the DRIVER UNLOCK IN PARK is set to ON, the DOORS LOCK IN GEAR will be set to ON and the remaining parameters in the above list will be set to OFF.
    • If the DOORS LOCK IN GEAR is set to OFF, the DRIVER UNLOCK IN PARK will be set to OFF.

DRIVER UNLOCK AT KEY OFF

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, the driver door will automatically unlock when the ignition switch is turned to OFF. This parameter is related to the following parameters:

    • DOORS LOCK IN GEAR
    • DRIVER UNLOCK IN PARK
    • DOORS UNLOCK IN PARK
    • DOORS UNLOCK AT KEY OFF

The parameter are related to one another as follows:

    • If the DRIVER UNLOCK AT KEY OFF is set to ON, the DOORS LOCK IN GEAR will be set to ON and the remaining parameters in the above list will be set to OFF.
    • If the DOORS LOCK IN GEAR is set to OFF, the DRIVER UNLOCK AT KEY OFF will be set to OFF.

DOORS UNLOCK IN PARK

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, all doors will automatically unlock when the gear selector is placed in PARK. This parameter is related to the following parameters:

    • DOORS LOCK IN GEAR
    • DRIVER UNLOCK IN PARK
    • DRIVER UNLOCK AT KEY OFF
    • DOORS UNLOCK AT KEY OFF

The parameter are related to one another as follows:

    • If the DOORS UNLOCK IN PARK is set to ON, the DOORS LOCK IN GEAR will be set to ON and the remaining parameters in the above list will be set to OFF.
    • If the DOORS LOCK IN GEAR is set to OFF, the DOORS UNLOCK IN PARK will be set to OFF.

DOORS UNLOCK AT KEY OFF

The feature parameter is displayed with both vehicle and driver feature programming. When the feature is ON, all doors will automatically unlock when the ignition switch is turned to OFF. This parameter is related to the following parameters:

    • DOORS LOCK IN GEAR
    • DRIVER UNLOCK IN PARK
    • DRIVER UNLOCK AT KEY OFF
    • DOORS UNLOCK IN PARK

The parameter are related to one another as follows:

    • If the DOORS UNLOCK AT KEY OFF is set to ON, the DOORS LOCK IN GEAR will be set to ON and the remaining parameters in the above list will be set to OFF.
    • If the DOORS LOCK IN GEAR is set to OFF, the DOORS UNLOCK AT KEY OFF will be set to OFF.

MIRROR TO CURB IN REV

The feature parameter is only displayed with driver feature programming. When the feature is ON, the passenger outside rearview mirror will tilt down when the gear selector is placed in REVERSE. This feature is useful during parallel parking.