See also:

Turn signal indicator – trailer (certainmodels)
If you are towing a trailer, this light will flash simultaneously with the turn signals on the trailer. If the light does not flash when signaling, neither the trailer's turn signals nor the ve ...

Disposing of old batteries
Worn out batteries should be disposed of in an environmentally responsible manner. ...

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 ...