Sierra 1500 2WD V6-4.3L (2008)
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Park Tilt Mirrors
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Smart High Beams
Average Fuel Economy
Average fuel economy is calculated using the equation: AFE = Distance/Fuel
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Distance = The accumulated distance travelled since the last reset of this value
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Fuel = The accumulated fuel consumption since the last reset of this value
The engine control module (ECM) sends the average fuel economy GMLAN message to the instrument panel cluster (IPC). The value of this mode is
retained during ignition OFF and can be changed between English units and metric units by selecting from the driver information center (DIC) options
menu.
Average Speed
Average speed is calculated using the equation: Average Speed = AVS Distance/AVS Time
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Distance = The accumulated distance travelled since the last reset of this value
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Ignition On = The accumulated ignition on time since the last reset of this value
Oil Life Remaining
The ECM sends the oil life remaining percentage to the IPC via GMLAN message. The instrument panel cluster receives a GMLAN message indicating
the engine oil life remaining. The DIC displays the current percentage of the GM Oil Life System as determined by the ECM. When the oil life
remaining percentage drops below 5 percent, the DIC displays CHANGE ENGINE OIL SOON. When the engine oil is changed, reset the GM Oil Life
System. Refer to GM Oil Life System Resetting.
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 battery
connection to the IPC. Fuel Range is calculated using the equation: Fuel Range = Range Distance/Range Fuel Used.
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Range Distance = The accumulated distance travelled since the last reset of this value.
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Fuel Used = The accumulated fuel delivered since the last reset of this value
The ECM sends the fuel range value to the IPC. The IPC receives a GMLAN message with fuel information. The fuel range value is retained during
ignition OFF and can be changed between English and Metric units by accessing the DIC English/Metric menu. The Fuel Range display cannot be reset.
LOW is displayed when fuel range is below a predetermined value.
Fuel Used
The DIC calculates and displays the total amount of fuel used since the last reset operation. You can reset the fuel used mode by depressing and holding
the Set/Reset button for more than 3 seconds. The value of this mode is retained during ignition OFF.
Instantaneous Fuel Economy (IFE)
Instantaneous fuel economy (IFE) is calculated using the equation: IFE = Distance/Fuel Used.
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Distance = The accumulated distance travelled for the last 2 seconds
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Fuel = The accumulated fuel delivered for the last 2 seconds
The IPC receives a GMLAN message from the ECM. The distance information is calculated by the IPC using the vehicle speed information from the
ECM. These values are retained during ignition OFF and can be changed between English and Metric units accessing the DIC English/Metric menu. The
IFE display cannot be reset.
Tire Pressure Monitor
The IPC receives a GMLAN message from the tire pressure monitoring (TPM) system for front and rear tire pressure data. The DIC will display the
pressure for each of the front and rear tires. When a tire with low air pressure is present, the DIC displays XXXX XXXX TIRE PRESSURE LOW.
Trip Time
The timer records elapsed time starting from activation. When the DIC displays the timer, pressing the Set/Reset switch for 1 second on the DIC resets
the timer. Pressing the Set/Reset button on the DIC switch for approximately 1 second starts and stops the timer. The DIC displays the timer in one of the
following formats:
