See also:

The Federal Clean Air Act – U.S.
The Federal Clean Air Act requires vehicle manufacturers to furnish written instructions to the ultimate purchaser to assure the proper servicing and function of the components that control em ...

Voice control support features
Tutorial: A feature that helps acquaint you with the system and the procedure for giving commands. Training: A feature that enables the voice control system to become familiar with your voi ...

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 ...