Hyundai Elantra: Immobilizer System / Immobilizer Control Unit Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the main crash pad assembly.
(Refer to Body - "Main Crash Pad Assembly")
3.
Discnnect the connector of the immobilizer unit and then remove the immobilizer unit (A) after loosening a nut.

Installation
1.
Install the immobilizer control unit after connecting the unit connector.
2.
Install the main crash pad assembly.
3.
Connect the negative (-) battery terminal.
Repair procedures
Teaching Procedures 1. Key Teaching Procedure Key teaching must be done after replacing a defective PCM(ECM) or when providing additional keys to the vehicle owner. The procedure starts with a ...

Antenna Coil Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the steering column shroud panel. (Refer to Body - "Steering Column Shroud Panel") 3. Disconnect the 6P connector (B) of ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Head Lamps Repair procedures
Head Lamp Aiming Instructions [Mechanical Aiming] The head lamps should be aimed with the proper beam-setting equipment, and in accordance with the equipment manufacturer's instructions.     • If there are any regulations pertinent to the aiming of head lamps in the ...

Hyundai Elantra AD (2016-2020) Owners Manual: To Convert to Cruise Control Mode
The driver may choose to switch to use the conventional Cruise Control mode (speed only control function) by following these steps: 1. Push the CRUISE button on the steering wheel to turn the system on. The cruise ( ) indicator will illuminate. 2. Push and hold the Vehicle-to- Vehicle Distance ...

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