Kia Sedona: Battery replacement
A smart key 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 your smart key or replace the battery, contact an authorized Kia dealer.
1. Remove the mechanical key.
2. Pry open the rear cover.
3. Replace the battery with a new battery (CR2032). When replacing the battery, make sure the battery position.
4. Install the battery in the reverse order of removal.

Smart key precautions
Smart key immobilizer systemFluid Components and Components Location
Components Location
1. ATF filler hole (eyebolt)2. ATF level plug3. ATF drain plug
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Barometric Pressure Sensor (BPS) Schematic Diagrams
Circuit Diagram
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