Smart key unit

Disconnect the Negative (-) Battery Terminal.
Remove the AVN Head Unit.
(Refer to: BE procedure - "AVN System - AVN HEAD UNIT ").
Remove the Smart Key Unit (A) with loosening Bolt and Nut then disconnect the Connector.
[USA]

Fig 1: Loosening Smart Key Unit Bolt And Nut (USA) (1 Of 2)
Courtesy of HYUNDAI MOTOR AMERICA

[CANADA]

Fig 2: Loosening Smart Key Unit Bolt And Nut (Canada) (2 Of 2)
Courtesy of HYUNDAI MOTOR AMERICA

Fig 3: Smart Key Unit (1 Of 2)
Courtesy of HYUNDAI MOTOR AMERICA

Fig 4: Smart Key Unit (2 Of 2)
Courtesy of HYUNDAI MOTOR AMERICA