Repair procedures: Disassembly

Loosen the screw (A-3ea) and then remove the lower cover (B) from the steering wheel body.
Tightening torque:

7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

Fig 1: Identifying Steering Wheel Body Lower Cover
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Identifying Steering Wheel Body Lower Cover Mounting Screw
Courtesy of KIA MOTORS AMERICA, INC.
Remove the garnish (A).

Fig 3: Identifying Garnish
Courtesy of KIA MOTORS AMERICA, INC.
Remove the wiring (A).

Fig 4: Identifying Steering Wheel Wiring
Courtesy of KIA MOTORS AMERICA, INC.
Loosen the screw (A-6ea) and then remote control switch assembly (B) from the garnish.
Tightening torque:

7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

Fig 5: Identifying Control Switch Assembly And Mounting Screw
Courtesy of KIA MOTORS AMERICA, INC.
Installation is the reverse of the removal.