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: Scantool Display - Smart Key System
Courtesy of HYUNDAI MOTOR AMERICA
Select the "SMART KEY unit".
After IG ON, select the "Current data".

Fig 2: Scantool Display - Current Data
Courtesy of HYUNDAI MOTOR AMERICA

You can see the situation of each switch on scanner after connecting the "current data" process.

Display	Description
FL Toggle switch	ON: Push button is ON in the driver door handle.
FR Toggle switch	ON: Push button is ON in the assist door handle.
Trunk switch	ON: Trunk button is ON.
Gear P Position	ON: Shift lever is P position.
IGN 1	ON: IGN switch is IG position.
ACC	ON: IGN switch is ACC position.
Push Knob switch	ON: Push knob switch is ON.
External Buzzer	ON: Buzzer is ON.