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Top 5 car technologies--photos

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2 of 6

November 11, 2009 6:29 PM PST

By: Wayne Cunningham

Number 4

Blind spot warning
Even if you are the most aware driver on the road, you won't notice a car changing lanes into your blind spot. And with C and D pillars getting wider in many car designs, those blind spots are getting bigger. Blind spot warning systems show a warning light on the sideview mirror when a car is sitting in your blind spot. When you look at the side mirror to see if it is safe to change lanes, it is very reassuring to have that extra set of eyes that see where you can't.

Photo credit: Josh Miller/CNET