Kia Optima: Intake Air Temperature Sensor (IATS). Description and OperationTo calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature. So the ECM uses not only MAPS signal but also IATS signal. This sensor has a Negative Temperature Coefficient (NTC) Thermister and it's resistance changes in reverse proportion to the temperature.

Installation
Intake Air Temperature Sensor (IATS). SpecificationsForward and backward
Push the control switch forward or backward to move the seat to the desired position.
Release the switch once the seat reaches the desired position. ...
Repair procedures
Inspection
1.
After disconnecting the vapor hose from the PCV valve,
remove the PCV valve. Visually check for a collapsed vapor hose or hose
leaks.
2.
...
Securing a child restraint seat with child seat lower anchor system
Some child seat manufacturers make child restraint seats that are labeled as
LATCH or LATCH-compatible child restraint seats. LATCH stands for "Lower Anchors
and Tethers for Children". ...