it's probably the heat sircuit in the dash (RRHTR button) is faulty as that meeds to be selected then when you turn on the rear fan heater should light up on the dial it's all electrnisly controled so if any of those switches or sensors fail you wont get the heat to the back
The 2005 Kia Sedona has a V6 engine.
The 2005 Kia Sedona has 24 valves.
The 2005 Kia Sedona has a 5-speed automatic.
The 2005 Kia Sedona is a gas-powered vehicle.
The 2005 Kia Sedona is 16 ft. 2.1 in. (194.1 in.) long.
The 2005 Kia Sedona runs on regular unleaded.
The maximum payload of the 2005 Kia Sedona is 1157 lbs..
The 2005 Kia Sedona's turning circle is 41.1 ft..
The curb weight of the 2005 Kia Sedona is 4802 lbs..
The height of the 2005 Kia Sedona is 5 ft. 9.3 in. (69.3 in.).
The 2005 Kia Sedona has double overhead cam (DOHC).
The 2005 Kia Sedona has 63.1 in. of rear shoulder room.