See also:

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 ...

Seating
The Rio can accommodate five passengers, but reviewers recommend that you limit it to four since the rear seat can be a squeeze for adults. The front seats may also be a tight fit for taller adult ...

Engine compartment
1. Engine coolant reservoir ...................7-12 2. Engine oil filler cap............................7-11 3. Brake fluid reservoir ..........................7-14 4. Air cleaner................ ...