Kia Optima Manual page 322

Driving your vehicle
Warning message
The message will appear to notify
the driver if there are foreign sub-
stances on the rear bumper or it is
hot near the rear bumper. The light
on the switch and the system will
turn off automatically.
5 44
Remove the foreign matter on the
rear bumper.
If the system does not work normally
even though the foreign matter is
removed, take your vehicle to an
authorized Kia dealer and have the
system checked.
OTF054131
OTF054104L
If the system does not work properly,
a warning message will appear and
the light on the switch will turn off. The
system will turn off automatically.
Have your vehicle inspected by an
authorized Kia dealer.
OTF054132N
OTF054103L