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:
Center console controls
Center console controls for menu navigation
1 - Press MY CAR to access the My Car menus.
2 - Press OK/MENU to select a highlighted selection or to store a certain function
in the system's me ...
Driving Dynamics: Engines
The new Volvo V50 Sportswagon is available with a range of eight modern
engines, including three diesels, that reflect its role as a premium
alternative. Two engines joined the range for 2007: a 1 ...
Starting the vehicle
Starting the engine
WARNING
Before starting, check that the seat, steering
wheel and mirrors are adjusted properly.
Make sure the brake pedal can be
depressed completely. Adjust the seat if
ne ...
