Brake SystemHyundai Sonata: Brake System

Anchor Pretensioner (APT). Repair procedures
Removal 1. Disconnect the battery negative cable, and wait for at least three minutes before beginning work. 2. Using a flat-trip screwd ...

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Knock Sensor (KS). Description and Operation
Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knoc ...

Headlamp welcome function
When the headlight switch is in the ON or AUTO position and all doors (and trunk) are closed and locked, if you press the door unlock button on the transmitter (or the smart key), the headlights w ...

Fuel Tank. Repair procedures
Removal 1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). 2. Remove the ...