2006 GMC Envoy Owner's Manual - Page 197

Average Fuel Economy: Press the fuel information button until AVG. ECON appears on the display. This mode shows how many miles per gallon (MPG), liters per 100 kilometers (L/100 km), or kilometers per liter (km/L) your vehicle is getting based on current and past driving conditions. Press and hold the select button for one second while AVG. ECON is displayed to reset the average fuel economy. Average fuel economy will then be calculated starting from that point. If the average fuel economy is not reset, it will be continually updated each time you drive. Engine Oil Life System: Press the fuel information button until ENGINE OIL LIFE appears on the display. The engine oil life system shows an estimate of the oil's remaining useful life. It will show 100% when the system is reset after an oil change. It will alert you to change your oil on a schedule consistent with your driving conditions. Always reset the engine oil life system after an oil change. To reset the engine oil life system, see Engine Oil Life System on page 5-20. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Engine Oil on page 5-16 and Scheduled Maintenance on page 6-4. Customization Button 4 (Customization): Press the customization button to access the VEHICLE SETTINGS menu and customize the settings to your vehicle. See DIC Vehicle Customization on page 3-60 for more information. Select Button r (Select): Press the select button to reset certain DIC functions, turn off or acknowledge messages on the DIC display, and set your customization settings. For example, this button will allow you to reset the trip odometers, turn off the FUEL LEVEL LOW message, and enables you to scroll through and select the language in which the DIC information will appear. 3-53