Switch Diagnosis

Connect the cable of GDS to the data link connector in driver side crash pad lower panel, turn the power on GDS.
Select the vehicle model and then SMART KEY system.

Fig 1: Display - Switch Diagnosis Screen
Courtesy of HYUNDAI MOTOR AMERICA
Select the "SMART KEY unit".
After IG ON, select the "Current data".

Fig 2: Display - SSB SW2 Current Data Screen
Courtesy of HYUNDAI MOTOR AMERICA
You can see the situation of each switch on scanner after connecting the "current data" process.