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 systemRear Door Outside Handle Repair procedures
Replacement
1.
Remove the rear door trim.
(Refer to Rear Door - "Rear Door Trim")
2.
Disconnect the rear door cable (A).
3.
Disconnect the rear door remote controller connector (B).
4. ...
Smart cruise control system (SCC)
➀ Cruise indicator
➁ SET indicator
➂ Set speed
➃ Vehicle-to-vehicle distance
The SCC allows you to program the vehicle to maintain a set speed so long as
it is no ...