Repair Procedures: Removal

WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Disconnect the engine coolant temperature sensor connector (A).
Remove the sensor (B).
Engine coolant temperature sensor:

29.4 - 39.2 N.m (3.0 - 4.0 kgf.m, 21.7 - 28.9 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.

NOTE: Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.