Removal And Installation

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

8.0 - 10.0 N.m (0.8 - 10.0 kgf.m, 5.9 - 7.4 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the battery sensor connector (A).

Courtesy of KIA MOTORS AMERICA, INC.
Remove the battery sensor by loosening the mounting bolts (A).
Battery sensor cable mounting bolt (Chassis ground):

27.0 - 33.0 N.m (2.8 - 3.4 kgf.m, 19.9 - 24.3 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.