See also:

Door locks
Operating door locks from outside the vehicle • Turn the key toward rear of vehicle to unlock and toward front of vehicle to lock. • Turn the key toward front of vehicle to lock all doors. ...

Kia Rio owners manual
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Seating
The Rio can accommodate five passengers, but reviewers recommend that you limit it to four since the rear seat can be a squeeze for adults. The front seats may also be a tight fit for taller adult ...