Hyundai Elantra: Smart Key System / Components and Components Location

Component Location (1)

1. Interior antenna 1
2. Interior antenna 2
3. Door outside handle
4. Smart key unit (SMK)
5. Buzzer

Component Location (2)

1. Trunk open switch
2. Bumper antenna
3. Trunk atenna

Specifications
Specifications Smart Key Unit ItemsSpecificationRated voltageDC 12VOperating voltageDC 9 ~ 16VOperating temperature-22°F ~ 167°F (-30°C ~ 75°C)LoadMax. 4mA (When welcome light function off) ...

Description and Operation
Description The SMART KEY system is a system that allows the user to access and operate a vehicle in a very convenient way. To access the vehicle, no traditional key or remote control unit is n ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Auto Defogging System (Only for Automatic Climate Control System)
Auto defogging reduces the possibility of fogging up the inside of the windshield by automatically sensing the moisture of inside the windshield. The auto defogging system operates when the heater or air conditioning is on. Information The auto defogging system may not operate normally, when ...

Hyundai Elantra AD (2016-2020) Service Manual: Smart Key Diagnostic Repair procedures
Inspection Self Diagnosis with Scan Tool It will be able to diagnose defects of SMART KEY system with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis. The following three features will be major problem in SMART KEY system. 1. Problem in ...

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