Kia Optima Manual page 23

Safety features of your vehicle
Lumbar support
(for driver's seat, if equipped)
The lumbar support can be adjusted
by pressing the lumbar support
switch on the side of the driver's
seat. Press the front portion of the
switch to increase support, or the
rear portion of the switch to decrease
support.
3 8
Headrest
OTF030009
The driver's and front passenger's
seats are equipped with a headrest
for the occupant's safety and com-
fort.
The headrest not only provides com-
fort for the driver and front passen-
ger, but also helps protect the head
and neck in the event of a collision.
For maximum effectiveness in case
of an accident, the headrest should
be adjusted so the middle of the
headrest is at the same height of the
center of gravity of an occupant's
head. Generally, the center of gravity
of most people's head is similar with
the height of the top of their eyes.
Also, adjust the headrest as close to
your head as possible.
For this reason, the use of a cushion
that holds the body away from the
seatback is not recommended.
WARNING
removal/adjustment
• Do not operate the vehicle
with the headrests removed.
Headrests can provide critical
neck and head support in a
OMG038400 crash.
• Do not adjust the headrest
height while the vehicle is in
motion. Driver may lose con-
trol of the vehicle.
- Headrest