Kia K900: Battery replacementConventional smart key
A battery should last for several years, but if the 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 K900 Kia dealer.

1.Pry open the smart key center cover.
2.Replace the battery with a new battery (CR2032). When replacing the battery, make sure the battery position.
3.Install the battery in the reverse order of removal.
Card type smart key

1.Pull out the battery and battery cover.
2.Remove the old battery and insert the new battery (CR2412). Make sure the battery position is correct.
3.Reinstall the battery cover and battery.
The smart key is designed to give you years of trouble-free use, however it can malfunction if exposed to moisture or static electricity. If you are unsure how to use or replace the battery, contact an authorized K900 Kia dealer.
Using the wrong battery can cause the transmitter or smart key to malfunction. Be sure to use the correct battery.
An inappropriately disposed battery can be harmful to the environment and human health.
Dispose the battery according to your local law(s) or regulation.
CAUTION
Transmitter damage
Do not drop, wet or expose the keyless entry system transmitter to heat or sunlight.
Pursuant to Code of Federal Regulations, Title 47, Part 15 ("FCC Rules")
Mechanical key operationsWindows
(1) Driver’s door power window switch
(2) Front passenger’s door power window switch
(3) Rear door (left) power window switch
(4) Rear door (right) power window switch
(5) Window opening and ...
Door Ajar Warning Light
This warning light illuminates:
When a door is not closed securely. ...
Front passenger’s seat
(7) Seat sliding forward or backward/ Seat height and cushion tilting adjustment
(8) Seatback angle adjustment
(9) Headrest height adjustment ...