[Bank 2/Intake]

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Disconnect the camshaft position sensor connector (A).
Remove the mounting bolt, and then vertically remove the sensor (B) from the cylinder head cover.

Fig 1: Locating Camshaft Position Sensor And Connector (Bank 2/Intake)
Courtesy of KIA MOTORS AMERICA, INC.