See also:

Overview
The fourth-generation Kia Rio, revealed at the 2011 Geneva Motor Show, boasts a bold and distinctive personality, bringing the latest model into line with the rest of Kia's striking design-led pro ...

Engine coolant
The high-pressure cooling system has a reservoir filled with year round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant level at least once ...

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. ...