Dimensions

The typical sedan is tremendously heavier than the Kia Rio. Your wallet will hurt more every time you fill up the typical sedan than the Kia Rio because of its larger tank. The Rio and the typical sedan compete for the same parking spaces. The typical sedan's longer wheelbase will result in a smoother, more stable ride; on the flip side, the Kia Rio may give a sprier feel in daily traffic.

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    Lubricants and fluids
    Checking the washer fluid level The reservoir is translucent so that you can check the level with a quick visual inspection. Check the fluid level in the washer fluid reservoir and add fluid i ...

    Interior Refinement
    The style makeover continues into the Optima's cabin with expanded electronics melded with refreshed fascia patterns and color schemes. Based on a new platform, the standard audio system features ...

    Brake system
    Power brakes Your vehicle has power-assisted brakes that adjust automatically through normal usage. In the event that the power-assisted brakes lose power because of a stalled engine or some oth ...