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:
Station search
1. Choose radio mode AM/FM1/FM2 using
the SELECTOR control (3) or the AM/FM
button (1).
2. Press briefly on to search
for the next strong station. The radio will
search for the next audible st ...
Infant seats
Securing an infant seat with a seat belt
Do not place the infant seat in the front passenger's seat
NOTE
Refer to page 47–48 for information on
securing a child restraint using ISOFIX/LATCH low ...
Main instrument panel
Information display and menu controls
1 READ – access to the list of messages and
message confirmation.
2 Thumbwheel – browse among menus and
options in the list of functions.
3 RESET – reset ...
