See also:

Inst (Instantaneous) Economy
Displays the current fuel economy in either liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This number changes frequently as driving conditions change. It cannot be reset. ...

OnStar®
If the vehicle is equipped with an active OnStar system, that system may also record data in crash or near crash-like situations. The OnStar Terms and Conditions provides information on data ...

DIC Operation and Displays
Press the DIC buttons to access the different displays. (Trip/Fuel): Press to scroll through the trip and fuel displays. See “Trip/Fuel Display Menu Items” following for more information. ...