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 ...

Checking tire pressure
Cold tires Inflation pressure should be checked when the tires are cold. The tires are considered to be cold when they have the same temperature as the surrounding (ambient) air. This temperature ...

Before a long distance trip
It is always worthwhile to have your vehicle checked by a trained and qualified Volvo service technician before driving long distances. Your retailer or service technician will also be able to s ...