See also:

Average Economy
Press the trip/fuel button until AVG ECONOMY displays. This display shows the approximate average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). This number is calculated based on the ...

Potential Issues
Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five days, ...

Driver Information Center (DIC)
The vehicle may have a Driver Information Center (DIC). It displays information about the vehicle and warning messages if there is a system problem detected. DIC messages display in the center of ...