Kia Optima (2011)

    See also:

    Kia Sportage owners manual
    ...

    Four wheel drive (4WD)
    Engine power can be delivered to all front and rear wheels for maximum traction. Full-time 4WD is useful when extra traction is required on road, such as, when driving on slippery, muddy, wet, ...

    Automatic transaxle fluid
    Checking the automatic transaxle fluid level The automatic transaxle fluid level should be checked regularly. Keep the vehicle on the level ground with the parking brake applied and check the ...