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 systemTo decrease the cruising speed
Follow either of these procedures:
Move the lever down (to SET-) and hold it. Your vehicle will gradually slow
down. Release the lever at the speed you want to maintain.
Move the lever down ...
Purge Control Solenoid Valve (PCSV) Schematic Diagrams
Circuit Diagram
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