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, we recommend that you contact an authorized Kia dealer.
Type A

1. Insert a slim tool into the slot and gently pry open the cover.
2. Replace the battery with a new battery (CR2032). When replacing the battery, make sure the battery position.
3. Install the rear cover.
Type B

1. Insert a slim tool into the slot and gently pry open the cover.


2. Pull the smart key module out.
3. Turn the smart key module over.

4. Push the battery out from the battery holder.
5. Replace the battery with a new battery (CR2032). When replacing the battery, make sure the battery position.
6. Install the battery in the reverse order of removal.
For transmitter or smart key replacement, we recommend that you contact an authorized Kia dealer.
CAUTION
CAUTION
An inappropriately disposed battery can be harmful to the environment and human health.
Dispose the battery according to your local law(s) or regulation.
Transmitter precautions
Smart keyKia Cee'd JD Service Manual: Description and operation
Description
The immobilizer system will disable the vehicle unless the proper ignition key
is used, in addition to the currently available anti-theft systems such as car
alarms, the immobilizer system aims to drastically reduce the rate of auto theft.
1.
...
Kia Cee'd JD Service Manual: Repair procedures
Inspection
Signal Circuit Inspection
1.
Check ignition lock switch pull-up voltage
(1)
IG KEY "OFF", ENGINE "OFF".
(2)
Disconnect ignition lock switch connector ...