See also:

Design concept
The Volvo S80 is a car that expresses a more dynamic evolution of Volvo's exterior design language. It's more sweeping, more elegant, tighter surfaced, and has a leaner and more agile look. &quo ...

Engine oil
Oil specifications Engine oil must meet the minimum ILSAC specification GF-4, API SL, or ACEA A1/B1. Lower quality oils may not offer the same fuel economy, engine performance, or engine protect ...

Function
A vehicle towing a trailer may begin to sway for various reasons. Normally this only occurs at high speeds but, for example, if the trailer is overloaded or if the load is unevenly distributed ...