Hyundai Sonata: Ignition Switch / Key Ignition Switch

WARNING

NEVER turn the ignition switch to the LOCK or ACC position while the vehicle is in motion except in an emergency. This will result in the engine turning off and loss of power assist for the steering and brake systems. This may lead to loss of directional control and braking function, which could cause an accident.

Before leaving the driver’s seat, always make sure the shift lever is in P (Park) position, apply the parking brake, and turn ignition switch to the LOCK position.

Unexpected vehicle movement may occur if these precautions are not followed.

Key ignition switch positions

Starting the engine

WARNING

Always wear appropriate shoes when operating your vehicle.

Unsuitable shoes, such as high heels, ski boots, sandals, flipflops, etc., may interfere with your ability to use the brake and accelerator pedals.

1. Make sure the parking brake is applied.

2. Make sure the shift lever is in P (Park).

3. Depress the brake pedal.

4. Turn the ignition switch to the START position. Hold the key (maximum of 10 seconds) until the engine starts and release it.

Information

NOTICE

To prevent damage to the vehicle:

Ignition Switch
WARNING To reduce the risk of SERIOUS INJURY or DEATH, take the following precautions: NEVER allow children or any person who is unfamiliar with the vehicle to touch the ignition switch or related ...

Engine Start/Stop Button
Whenever the front door is opened, the Engine Start/Stop button will illuminate and will go off 30 seconds after the door is closed. WARNING To reduce risk of serious injury or death, NEVER allow ch ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: ECO mode
When the Drive Mode is set to ECO mode, the engine and transmission control logic are changed to maximize fuel efficiency. When the ECO mode is selected by pressing the DRIVE MODE button, the ECO indicator will illuminate. If the vehicle is set to ECO mode, when the engine is turned OFF and r ...

Hyundai Sonata LF 2014-2019 Owners Manual: Limitations of the System
The driver must be cautious in the below situations may not work properly when : It is difficult to distinguish the lane marker from road when the lane marker is covered with dust. It is difficult to distinguish the color of the lane marker from road. There is something looks like a lane mark ...

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