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: Power Door Mirror Actuator Repair procedures
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the front door quadrant inner cover (A). 3. Disconnect the power door mirror connector from the harness. 4. Apply battery voltage to each terminal as shown in the table and verify that the mirror operates properly. ...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
Compession Pressure Inspection     If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. Make sure the oil in the crankcase is of the correct viscosity and at the correct level and that the battery is correctly ...

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