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Anticipating more car sharing, Toyota develops the Smart Key Box, a device that lets people use their smartphones to access and start up a car, as long as they have the right codes.

Bluebox Co-pilot is an all-in-one smart dash cam that can also monitor the cabin, track your miles, diagnose engine error codes, and protect the car when parked ...

If you have a check engine light on, a diagnostic tool is great for troubleshooting the problem. Here's what you need to know before buying one.