Assist Power Window Switch

Disconnect the negative (-) battery terminal.
Remove the assist door trim.
(Refer to Body - "FRONT DOOR TRIM ")
Disconnect the power mirror switch connector from the door trim.

Fig 1: Disconnecting Power Mirror Switch Connector From Door Trim With Terminals
Courtesy of HYUNDAI MOTOR AMERICA
Check for continuity between the terminals in each switch position as shown in (Fig 2) and (Fig 3).
[Power Window Switch Inspection]

Fig 2: Power Window Switch Connector Terminals Continuity Chart
Courtesy of HYUNDAI MOTOR AMERICA

[Power Door Lock Switch Inspection]

Fig 3: Power Door Lock Switch Connector Terminals Continuity Chart
Courtesy of HYUNDAI MOTOR AMERICA