OnStar Services
See also:
Maintenance Schedule
Owner Checks and Services
At Each Fuel Stop
. Check the engine oil level. See Engine Oil .
Once a Month
. Check the tire inflation pressures. See Tire Pressure .
. Inspect the tires f ...
Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect
vehicle performance and safety, including such things as airbags, braking, stability,
ride and handling, emissions s ...
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.
...