Comfort

While the front cabin in the Rio offers a bit more head room than the typical sedan, there honestly isn't much of a difference. While the rear of the typical sedan provides a bit more head- and leg-room than the Kia Rio, there really isn't much of a difference.

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    Engine cooling system
    The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...

    Parking brake
    Checking the parking brake Check the stroke of the parking brake by counting the number of “clicks’’ heard while fully applying it from the released position. Also, the parking brake alon ...

    Rear differential (4WD)
    Checking or changing rear differential fluid Have rear differential fluid checked or changed by an Authorized Kia Dealer according to the Maintenance Schedule at the beginning of this section. ...