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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 that ...

2005 Volvo S40 Review
Volvo's compact S40 sedan looks great and has a nicely appointed interior. The fact that it's available with a turbocharged engine and all-wheel drive only heightens its appeal. The S40 has two ...

Limitations
Strong sunlight, reflections, extreme light contrasts, the use of sunglasses, or if the driver is not looking straight ahead may make the visual warning signal in the windshield difficult to see. ...