See also:

External audio source volume
If an external devices such as an MP3 player or an iPod is connected to the AUX socket, the device's volume may be different from the volume of the internal sound sources such as the disc play ...

Engine oil
Although some oil consumption occurs during normal engine operation, more oil is consumed when the engine is new as the internal parts generate higher friction while wearing-in to each other. From ...

Listening to satellite radio
The Sirius satellite system consists of a number of high elevation satellites in geosynchronous orbit. NOTE The digital signals from the Sirius satellites are line-of-sight, which means ...