Kia Optima: Battery replacement
Type A

Type B
A battery should last for several years, but if the transmitter or smart key is not working properly, try replacing the battery with a new one. If you are unsure how to use or replace the battery, contact an authorized Kia dealer.
1. Pry open the transmitter or smart key center cover.
2. Replace the battery
with a new battery (CR2032). When replacing the battery, make sure the battery positive
“+” symbol faces up as indicated in the illustration.
3. Install the battery in
the reverse order of removal.
CAUTION
Precautions
Theft-alarm systemChild restraint anchorage position
Your vehicle is equipped with an anchor for securing the tether strap of a child
restraint system (child seat).
The child restraint anchor fittings are installed on the shelf behind the rear
se ...
Windshield defrosting and defogging
WARNING - Windshield heating
Do not use the or
position during cooling operation in
extremely humid weather. The difference between the temperature of the outside air
and the windshield could ...
Highway driving
Tires
Adjust the tire inflation pressures to specification. Low tire inflation pressures
will result in overheating and possible failure of the tires.
Avoid using worn or damaged tires which may r ...