These 2017 cars could render the physical car key obsolete

In an effort to make things more convenient for drivers, Volvo has introduced digital keys to replace physical ones. A phone app replaces the usual key, letting a user lock and unlock doors—and start the engine. The Bluetooth-enabled digital key can also be accessed from multiple locations.

Though they will not completely replace keys—drivers who want physical keys will still receive them—they offer car owners a key way to access their car.

As a press release from Volvo explains, the app is also meant to make sharing keys much easier:

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