2008 GMC Yukon Owner's Manual - Page 233

Transmission Temperature Press the trip/fuel button until TRANS TEMP displays. This display shows the temperature of the automatic transmission fluid in either degrees Fahrenheit (°F) or degrees Celsius (°C). Blank Display This display shows no information. Vehicle Information Menu Items T (Vehicle Information): Oil Life Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an estimate of the oil's remaining useful life. If you see 99% OIL LIFE REMAINING on the display, that means 99% of the current oil life remains. The engine oil life system will alert you to change the oil on a schedule consistent with your driving conditions. When the remaining oil life is low, the CHANGE ENGINE OIL SOON message will appear on the display. See "CHANGE ENGINE OIL SOON" under DIC Warnings and Messages on page 3-64. You should change the oil as soon as you can. See Engine Oil on page 5-15. In addition to the engine oil life system monitoring the oil life, additional maintenance is recommended in the Maintenance Schedule in this manual. See Scheduled Maintenance on page 6-4 for more information. Press this button to scroll through the following menu items: Instantaneous Economy and Active Fuel Management™ Indicator If your vehicle has this display, press the trip/fuel button until INST ECONOMY V8 MODE displays. This display shows the current fuel economy at a particular moment and will change frequently as driving conditions change. This display shows the instantaneous fuel economy in miles per gallon (mpg) or liters per 100 kilometers (L/100 km). Unlike average economy, this screen cannot be reset. An Active Fuel Management™ indicator will display on the right side of the DIC, while INST ECONOMY displays on the left side. Active Fuel Management™ allows the engine to operate on either four or eight cylinders, depending on your driving demands. When Active Fuel Management™ is active, V4 MODE will display on the DIC. When Active Fuel Management™ is inactive, V8 MODE will display. See Active Fuel Management™ on page 2-31 for more information. 3-59