See also:

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 ...

Resetting
If the battery has been disconnected, the auto open function must be reset so that it will work properly. 1. Gently raise the front section of the button to close the window and hold it for one ...

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 emissi ...