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 systemCruise control system
The cruise control system allows you to program the vehicle to maintain a constant
speed without depressing the accelerator pedal.
This system is designed to function above approximately 40 km/h (2 ...
Heater & A/C Control Unit (Rear) Components and Components Location
Components (1)
[Standard]
Connector Pin Function
Connector Pin NoFunctionA1BATT2ILL+ (TAIL)3MODE ACT''R F/B - REAR4MODE ACT''R (VENT) - REAR5MODE ACT''R (FLOOR) - REAR6TEMP ACT''R F/B - ...