Hyundai Sonata: AUTO HOLD / Warning messages

Parking brake automatically engaged

When the EPB is applied from Auto Hold, a warning will sound and a message will appear.

AUTO HOLD turning off! Press brake pedal

When the conversion from Auto Hold to EPB is not working properly a warning will sound and a message will appear.

Information

Depress the brake pedal when the above message appears for the Auto Hold and EPB may not activate.

Press brake pedal to deactivate AUTO HOLD

If you did not apply the brake pedal when you release the Auto Hold by pressing the [AUTO HOLD] switch, a warning will sound and a message will appear.

AUTO HOLD conditions not met. Close door and hood, then fasten seatbelt

When you press the [AUTO HOLD] switch, if the driver's door and the engine hood are not closed or the driver's seat belt is not fastened, a warning will sound and a message will appear on the LCD display. In that time, press the [AUTO HOLD] button after closing the driver's door, engine hood and fastening the seat belt.

AUTO HOLD
This feature keeps the brake applied when the shift lever is in D (Drive), N (Neutral) or Manual shift mode with the feature enabled and when the brake pedal has been depressed to stop the vehicle. ...

Anti-lock Brake System (ABS)
WARNING An Anti-Lock Braking System (ABS) or an Electronic Stability Control (ESC) system will not prevent accidents due to improper or dangerous driving maneuvers. Even though vehicle control is im ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Heater & A/C Control Unit (DATC) Components and Components Location
Components Connector [A] Pin NOFunctionPin NOFunction1ILL+ (TAIL)21Detent OUT (+)2Sensor REF (+5V)22HTD (Rear defog indicator)3Mode control actuator (Vent)23Rear defog switch4Mode control actuator (Defrost)24C_CAN High5Mode control actuator (Feedback)25C_CAN Low6Intake actuator (Fresh)26ECV+7Int ...

Hyundai Sonata LF 2014-2019 Owners Manual: Vehicle recognition
Some vehicles in your lane cannot be recognized by the radar: - Narrow vehicles such as motorcycles or bicycles - Vehicles offset to one side - Slow-moving vehicles or suddendecelerating vehicles - Stopped vehicles - Vehicles with small rear profile such as trailers with no loads A vehicle ahead ca ...

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