Hyundai Elantra MD/UD: Inspection - Power Seat Control Switch. Repair 
procedures - Seat Electrical - Body Electrical System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: Inspection

With the power seat switch in each position, make sure that continuity exists between the terminals below. If continuity is not as specified, replace the power seat switch.
A : Power seat control switch
B : Lumbar support switch

1. Disconnect the negative (-) battery terminal. 2. Remove the seat side cover(A). 3. Disconnect the po ...