Repair Procedures: Removal

Turn the ignition switch OFF.
Disconnect the battery sensor connector (A) and battery negative (-) terminal.
Battery negative (-) terminal tightening nut:

4.0 ~ 6.0 N.m (0.4 ~ 0.6 kgf.m, 3.0 ~ 4.4 lb-ft)

Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the battery.
(Refer to Charging System - "BATTERY ")
Remove the battery sensor & battery negative (-) cable assembly after loosening the sensor cable mounting bolt (A).
Battery sensor & battery negative (-) cable assembly mounting bolt (Chassis ground):

21.6 ~ 32.4 N.m (2.2 ~ 3.3 kgf.m, 16.0 ~ 23.9 lb-ft)

Courtesy of KIA MOTORS AMERICA, INC.