The radio displays driver information center (DIC) information when it first powers up. The uplevel radio shows the time and outside temperature on the first line of the display, and DIC information on the second line of the display.

There are 3 DIC buttons on the radio.

The ENTER button is used in order to acknowledge a warning message, reset an option, or to select an option.

The INFO button is used in order to navigate through the following driver information center (DIC) information modes:

AV SPEED

Average speed is calculated using the equation: Average Speed = Distance/Ignition On

Ignition on time is measured from the time that the ignition is turned ON to the time when the ignition is turned OFF. The value of this mode is retained during ignition OFF. Press and hold the ENTER button on the radio for one second in order to reset the average speed display.

ECON

Average fuel economy is calculated using the equation: AFE = Distance/Fuel

The instrument panel cluster (IPC) receives a serial data message from the body control module (BCM) about fuel usage information. The value of this mode is retained during ignition OFF and can be changed between English units and metric units. Press and hold the ENTER button on the radio switch for one second in order to reset the ECON display.

FUEL RANGE

This message indicates the estimated distance that the vehicle can travel under the current fuel economy and fuel level conditions since the last reset of the value. Fuel Range is calculated using the equation: Fuel Range = Distance Sum/Fuel Sum.

The radio receives a serial data message from the BCM with fuel information. The value of this mode is retained during ignition OFF and can be changed between English units and metric units. The FUEL RANGE display cannot be reset.

ENGINE OIL LIFE

The engine control module (ECM) sends the engine oil life remaining percentage to the body control module (BCM) via a serial data message. The radio receives a serial data message from the BCM indicating the remaining oil life. The radio displays the current percentage of the GM Oil Life System as determined by the ECM.

TRIP A and TRIP B

The radio determines vehicle trip odometer mileage based on the vehicle speed signal (VSS) from the body control module (BCM). The trip odometer displays accumulated km (mi) since the last reset of this value. The trip odometer is capable of displaying up to 999.9 km (999.9 mi). Trip odometer information is not retained when the battery is disconnected. Press and hold the ENTER button on the radio for one second in order to reset the trip odometer display.

The MENU button is used in order to navigate through the following personalization modes:

The engine control module (ECM) sends the oil life remaining percentage to the body control module (BCM) via a serial data message. The radio receives a serial data message from the BCM indicating the remaining oil life. The radio displays the current percentage of the GM Oil Life System as determined by the ECM. When the oil life remaining percentage drops below 10 percent, the radio displays CHANGE ENGINE OIL. When the engine oil is changed, reset the engine oil life in order to clear the oil life remaining percentage display. Press and hold the ENTER button for 5 seconds until the radio displays ACKNOWLEDGED.

The body control module (BCM) reads the outside air temperature sensor. The temperature sensor is a 2-wire negative temperature co-efficient thermistor. The BCM provides 5 volts to an internal input resistor that is connected to the outside air temperature sensor. The outside air temperature is displayed in the driver information center (DIC) and the DIC is located in the radio. The temperature information is transmitted by the BCM for display in the DIC via a serial data message. The BCM provides the outside air temperature information in Celsius. The radio converts the temperature to Fahrenheit, if required.

For more information on driver information center (DIC) warning messages, refer to Indicator/Warning Message Description and Operation .