Hyundai Elantra: Button Engine Start System / Components and Components Location

Component Location

1. Smart key unit
2. Body control module (BCM)
3. Interior antenna 1
4. Interior antenna 2
5. FOB Key

6. Start Stop Button (SSB)
7.Door handle & Door antenna
8. Bumper antenna
9. Trunk antenna
10. Trunk lid switch

Hyundai Elantra AD (2016-2020) Service Manual: Engine Control Module (ECM) Repair procedures
Removal • When replacing the ECM, the vehicle equipped withthe immobilizer must be performed procedure asbelow. [In the case of installing used ECM] 1) Perform "ECM Neutral mode" procedure with GDS. (Refer to Body Electrical System - "Immobilizer System") 2) After ...