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. ...

Global Positioning System (GPS)
- Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense trees ...

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 ...