Repair procedures: Removal

Remove the rear wheel speed sensor mounting bolt (A).
Tightening torque:

6.9 ~ 10.8 N.m (0.7 ~ 1.1 kgf.m, 5.1 ~ 8.0 lb-ft)

Fig 1: Locating Rear Wheel Speed Sensor Mounting Bolt
Courtesy of HYUNDAI MOTOR CO.
Remove the luggage side trim the disconnect the rear wheel speed sensor connector.
Installation is the reverse of removal.