Hyundai Sonata: Immobilizer System - Body Electrical SystemHyundai Sonata: Immobilizer System

Auto Light Sensor. Repair procedures
Inspection In the state of IGN1 ON, when multi function switch module detects auto light switch on, tail lamp relay output and head lamp low relay output are controlled according to auto lig ...

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Air conditioning
Push the A/C button to turn the air conditioning system on (indicator light will illuminate). Push the button again to turn the air conditioning system off. ...

Headlight, position light, turn signal light, side marker light and front fog light bulb replacement
(1) Headlight (High) (2) Headlight (Low) (3) Front turn signal light / Position light (4) Front fog light (if equipped) Headlight bulb WARNING - Halogen bulbs Halogen bulbs contain pr ...

Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle. But fuel-efficiency can be changed by the driver's driving habits and road conditions. When the Active E ...