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.
See also:
Map Destination Screen Functions
If the map screen is used to show destination, it will have map screen capabilities
such as GO, Mark, Zoom, Scroll, etc. The address is shown at the top of the screen.
Destination Map Screen ...
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control
equipment. For the inspection, the emission system test equipment is connected to
the vehicle’s Data Link Connec ...
Security
OnStar provides services like Stolen
Vehicle Assistance, Remote Ignition
Block, and Roadside Assistance,
if the vehicle is equipped with these
services. OnStar can unlock the
vehicle doors r ...






