2009 Chevrolet Impala Owner's Manual - Page 167

If your vehicle has the Active Fuel Management™ feature, 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 all or half of its cylinders, depending on your driving demands. For vehicles with a V8 engine, when Active Fuel Management™ is active, 4CYL MODE will display. When Active Fuel Management™ is inactive, 8CYL MODE will display. See Active Fuel Management™ (5.3L V8 Engine) on page 2-23 for more information. Vehicle Information Menu Items T (Vehicle Information): Press this button to scroll through the following menu items: 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 3-49. You should change the oil as soon as possible. See Engine Oil on page 5-17. 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. Average Speed Press the trip/fuel button until AVERAGE SPEED displays. This display shows the average speed of the vehicle in miles per hour (mph) or kilometers per hour (km/h). This average is calculated based on the various vehicle speeds recorded since the last reset of this value. To reset the value, press and hold the set/reset button. The display will return to zero. Blank Display This display shows no information. 3-45