Hyundai Elantra (CN7): Body Electrical System / Immobilizer System
Components and components location Component Repair procedures Removal1.Disconnect the negative(-) battery terminal.2.Remove the AVN Head unit.
DescriptionThe immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.
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: Repair procedures
Inspection1.Check for resistance between terminals in each switch position (LH).[LH : Audio + Hands free] Switch Resistance (±5%) SEEK Up430 ΩSEEK Down1.11 kΩMODE2.11 kΩMUTE3.11 kΩVolume (+)4.
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