How does car gps works?

[Zenelia]

How does car gps works?

[Border_Collie]

And if you want to know even more then visit How does the Global Positioning System (GPS) work ?

[Stephen29]

I know one process about Car gps but it is very long so you can take instructions from where i had got. Thank you and best of luck.

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" If I can't take it, then it can't be taken."

[jasminecameron]

A GPS system relies on satellites orbiting the earth. They require at least three satellite signals to track where you are and where you're going (hence the phrase "Triangulate your position)
GPS systems have come great lengths in the past decade. I have a handheld GPS unit (doesn't have turn by turn directions) and it almost always has less that 100 ft radius of error. (Satellites can't be dead accurate) but on average I'd say it's accurate within 30 feet.
As for automotive GPS units, the biggest complaint that I've heard was the many of them don't give correct directions going onto roads that are closed or arent' even there.

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Jasmine

[tomgreag]

Car GPS or Global Positioning System was first implemented in the year 1978 by the United States Department of Defense. GPS receivers obtain information from 4 different satellites and make use of it to compute its own location by comparing its own time with the given time of the satellites.