Hyundai Elantra (CN7): Button Engine Start System / Start/Stop Button

Hyundai Elantra (CN7) 2021-2026 Service Manual / Body Electrical System / Button Engine Start System / Start/Stop Button

Components and components location

Component

Repair procedures

Removal

1.	Disconnect the negative(-) battery terminal.

2.	Remove the AVN Head unit. (Refer to Body Electrical System - "AVN(Audio Video Navigation) head unit")

3.	Loosen the mounting screws and remove the start/stop button (A).

Installation

1.	Install the start/stop button.

2.	Install the AVN head unit.

3.	Connect the negative (-) battery terminal.

❮Components and components location

Component Location1. Smart key unit (IBU)2. Interior antenna 23. outside door handle4. Interior antenna 15. FOB Key6. Door antenna1. Bumper antenna2. Trunk antenna

Immobilizer System❯

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: Auto Lighting Control System

Description and operation DescriptionIt's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding environment changes due to rain, snow, or

Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operating principle