See also:

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. ...

LUXURIOUS CLASS-EXCLUSIVE FEATURES
Upgrading to the Premium Package (as with our test car) adds items like wood interior trim, heated rear seats, a driver’s memory seat with 4-way adjustability, and class-exclusive features like ...

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