The vehicle’s front and rear seats have adjustable head restraints. The head restraints provide comfort for passengers, but more importantly they are designed to help protect passengers from whiplash and other neck and spinal injuries during an accident, especially in a rear impact collision.
WARNING
To reduce the risk of serious injury or death in an accident, take the following precautions when adjusting your head restraints:
NOTICE
To prevent damage, NEVER hit or pull on the head restraints.
Hyundai Sonata LF 2014-2019 Service Manual: Advanced Smart Cruise Control (ASCC) ECU Schematic Diagrams
Circuit Diagram
Terminal Function
No. Description 1L-CAN [Low] 2L-CAN [High] 20IGN1 21Ground 22C-CAN [High] 23C-CAN [Low]
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Hyundai Sonata LF 2014-2019 Service Manual: Brake Booster Components and Components Location
Components
1. Brake booster2. Reservoir3. Master cylinder4. Pin
[T-GDI ENGINE ONLY]
1. Vacuum pump2. Bracket
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