How Does A Backup Camera Actually Work?

Aftermarket backup cameras might not work as well as integrated ones, but they're still a useful upgrade to an older car.

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Most cars today come with backup cameras pre-installed, which makes parallel parking much less of a chore, and allows drivers to reverse more safely in crowded environments. But what if you have an older car and still want a better view for maneuvering your vehicle?

There are several ways to outfit an older vehicle with…