See also:

Volume control
Turn the knob (2) clockwise or counterclockwise to raise or lower the volume. The volume control is electronic and has no end position. Volume can also be raised (+) or lowered (–) using the ste ...

Use of Additives
With the exception of gas line antifreeze during winter months, do not add solvents, thickeners, or other store-bought additives to your vehicle's fuel, cooling, or lubricating systems. Overuse ...

Safety Features
The S80 excels at safety. Before the little bubble above your head fills with the word "Duh," let me add that this Volvo has some breakthrough safety gizmos we hadn't seen until very rec ...