See also:

Drivetrain
The typical sedan has a larger engine than the Kia Rio. Keep in mind that smaller engines are often cheaper to fix, but smaller engines can be stressed more. The Kia Rio could learn a lesson or tw ...

Transfer case (4WD)
Checking or changing transfer case fluid Have transfer case fluid checked or changed by an Authorized Kia Dealer according to the Maintenance Schedule at the beginning of this section. Use only ...

Lubricant specifications
Recommended lubricants To help achieve proper engine and powertrain performance and durability, use only lubricants of the proper quality. The correct lubricants also help promote engine efficiency ...