This indicator light illuminates for up to 30 seconds:
When the vehicle detects the smart key in the vehicle properly while the ignition switch or the Engine Start/ Stop button is ACC or ON.
- At this time, you can start the engine.
- The indicator light goes off after starting the engine.
This indicator light blinks for a few seconds:
When the smart key is not in the vehicle.
- At this time, you can not start the engine.
This indicator light illuminates for 2 seconds and goes off:
When the vehicle can not detect the smart key which is in the vehicle while the ignition switch or the Engine Start/Stop button is ON.
In this case, have your vehicle inspected by an authorized HYUNDAI dealer.
This indicator light blinks:
Hyundai Sonata LF 2014-2019 Service Manual: Master Cylinder Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the air cleaner assembly (A).
3.
Disconnect the brake fluid level switch connector (A).
4.
Remove the brake fluid from the master cylinder reservoir with a syringe.
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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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