Locate the clutch fluid reservoir
Look for the MAX-MIN positions on the side of the translucent body
This generic image indicates the MAX-MIN positions
If the level needs topping up, carefully open the cap, and have a paper towel ready to catch any drips as this is corrosive
Now securely replace and tighten the cap
Find a Haynes product for your Kia:
Search by registration mark
Search by make & model