Removal and Installation

Disconnect the battery sensor connector (A) then battery negative terminal (B) and positive terminal (C).
Tightening torque

(-) terminal: 3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)

(+) terminal: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 1: Identifying Battery Sensor Connector, Battery Negative And Positive Terminal
Courtesy of HYUNDAI MOTOR AMERICA
Disconnect the vent hose connector (A) from the battery air vent hole.

Fig 2: Identifying Battery Vent Hose Connector
Courtesy of HYUNDAI MOTOR AMERICA
Remove the mounting bracket (A) and then remove the battery (B).
Tightening torque: 9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Fig 3: Identifying Battery And Mounting Bracket
Courtesy of HYUNDAI MOTOR AMERICA
Installation is the reverse order of removal.
CAUTION: When installing the battery, fix the mounting bracket on the tray correctly.