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 systemReplacement
1.
Disconnect the negative (-) battery
terminal.
2.
Using the screwdriver, remove
the side cover (A).
3.
Loosen the mounting screw and
the ...
Troubleshooting
Failure Diagnosis
1.
In principle, ESC and TCS controls
are prohibited in case of ABS failure.
2.
When ESC or TCS fails, only the
failed system control is prohibited ...
Replacement
1.
1. Disconnect the negative (-)
battery terminal.
2.
Remove the main crash pad lower
cover (A).
3.
Disconnect the power mosfet connector
...