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 emissi ...

Driving on rough/unpaved surfaces
The Volvo XC90 is designed primarily for onroad driving, and it has excellent handling characteristics on very rough or unpaved roads. When driving on poorly maintained or unpaved roads, please ...

Autostart
This function makes it possible to start the vehicle without holding the key in the start position (position III) until the engine starts. Turn the key to position III and release it. The starte ...