KIA Optima 2011 - Manual (Page 318)

Maintenance
16 7
Changing the engine oil and filter
Have engine oil and filter changed by an
authorized KIA dealer according to the
Maintenance Schedule at the beginning
of this section.
WARNING
Used engine oil may cause irrita-
tion or cancer of the skin if left in
contact with the skin for prolonged
periods of time. Used engine oil
contains chemicals that have
caused cancer in laboratory ani-
mals. Always protect your skin by
washing your hands thoroughly
with soap and warm water as soon
as possible after handling used oil.