2009 Chevrolet Cobalt Owner's Manual - Page 169

MPG (L/100 KM) AVG (Average) Press the information button until MPG (L/100 KM) AVG displays. This mode shows how many miles per gallon (mpg) or liters per 100 kilometers (L/100 km) your vehicle is getting based on current and past driving conditions. To reset the average fuel economy, press and hold the reset button while MPG (L/100 KM) AVG is displayed. Average fuel economy is then calculated starting from that point. If the average fuel economy is not reset, it is continually updated each time you drive. AV (Average) SPEED Press the information button until AV SPEED displays. This mode shows the vehicle's average speed in miles per hour (mph) or kilometers per hour (km/h). To reset the average vehicle speed, press and hold the reset button while AV SPEED is displayed. OIL LIFE Press the information button until OIL LIFE displays. The engine oil life system shows an estimate of the oil's remaining useful life. It shows 100% when the system is reset after an oil change. It alerts you to change the oil on a schedule consistent with your driving conditions. 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 5-15 and Scheduled Maintenance on page 6-4. Always reset the engine oil life system after an oil change. See "How to Reset the Engine Oil Life System" under Engine Oil Life System on page 5-19. MPG (L/100 KM) INST (Instantaneous) Press the information button until MPG (L/100 KM) INST displays. This mode shows the current fuel economy at a particular moment and changes frequently as driving conditions change. This mode shows the instantaneous fuel economy in miles per gallon (mpg) or liters per 100 kilometers (L/100 km). Unlike average fuel economy, this screen cannot be reset. 3-45