How do states use OBD II for emission inspections?

Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission test.
See also:
My XC60
MY CAR
My XC60
The display shows all of the vehicle's driver
support systems, which can be activated/
deactivated here. ...
Basic sound settings
Press SOUND to display the basic sound setting
menu (Bass, Treble, etc). Continue pressing
SOUND or OK/MENU to display the other
setting alternatives.
Adjust the setting by turning TUNE and sav ...
Introduction
The symbols in the vehicle's various displays
are divided into three main categories:
• Warning symbols
• Indicator symbols
• Information symbols
The following tables list the most common
symbol ...
