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How are cars making the blind spot less dangerous?

Author's Note

While my current car, a 2011 Toyota Prius, doesn't have a blind spot monitoring system, I certain wish it did. Let's just say that the streamlining that Toyota engineers have given to the rear end of the Prius, which gives it better mileage and makes it very distinctive to look at when you see one on the road, doesn't make for the best view of traffic around the car's rear end. While the back-up camera helps a lot when pulling out of the driveway, it doesn't do me much good on the highway. Maybe I'll check out one of those little convex mirrors to go on the outside rear view to make me a little less nervous when I'm changing lanes...

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