This warning light illuminates :
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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Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specifications
ItemsSpecificationsRated voltageDC 12VOperating voltageDC 9 ~ 16VOperating temperature-22°F ~ 167°F (-30°C ~ 75°C)Dark currentSMK : 3mA / Keyless : 3.5mA
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