보증 등록은 어떻게 하나요?

적용 모델

EC1-A (L), EC1-CW (L), EC1-DW (L), EC2-A (M), EC2-CW (M), EC2-DW (M), EC3-CW (S), EC3-DW (S), FK1+ (XL), FK2-DW (M), S2-DW (S), U2, U2-DW (M), ZA11 (L), ZA12 (M), ZA13 (S), ZA13-DW (S)