See also:

FAST FACTS
1. The Optima makes 200-hp from a standard direct-injection 2.4L 4-cylinder, while achieving best-in-class 24/35-mpg (city/hwy) fuel economy. 2. Optional class exclusive features include a panoram ...

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. ...

Door locks
Operating door locks from outside the vehicle • Turn the key clockwise to unlock and counterclockwise to lock. • If you lock the driver’s door with a key, all vehicle doors will lock auto ...