Hyundai Elantra: Lane Keeping Assist (LKA) System / LKA System Operation

Hyundai Elantra. LKA System Operation

To activate/deactivate the LKA system:

With the ignition switch in the ON position, press the LKA system switch located on the instrument panel on the left hand side of the steering wheel. The indicator in the cluster display will initially illuminate white. This indicates the LKA system is in the READY but NOT ENABLED state.

If you press the LKA button again, the indicator on the switch and cluster display will go off.

Hyundai Elantra. LKA System Operation

Note that the vehicle speed must be at least approximately 40 mph (64 km/h) to ENABLE the LKA system. The indicator in the cluster will illuminate green.

The color of indicator will change depending on the condition of LKA system.

- White : Sensor does not detect lane markers or vehicle speed is under 40 mph (64 km/h).
- Green : Sensor detects lane markers and the system is able to control vehicle steering.


If the indicator (white) is activated from the previous ignition cycle, the system will turn ON without any additional control. If you press the LKA switch again, the indicator on the cluster goes off.

LKA system operation

Hyundai Elantra. LKA System Operation

Hyundai Elantra. LKA System Operation

Hyundai Elantra. LKA System Operation

1.A visual warning appears on the cluster LCD display. Either the left lane marker or the right lane marker in the cluster LCD display will blink depending on which direction the vehicle is veering. Also, a warning sound will be heard.

2.The LKA system will control the vehicle's steering to prevent the vehicle from crossing the lane maker in below conditions.

- Vehicle speed is over 40 mph (64 km/h)
- The system detects both lane markers
- When driving, the vehicle is located between both lanes normally.
- The steering wheel is not turned suddenly.

When lanes are detected and all the conditions to activate the LKA system are satisfied, a LKA system indicator light will change from white to green. This indicates that the LKA system is in the ENABLED state and the steering wheel will be controlled.

Lane Keeping Assist (LKA) System
The Lane Keeping Assist (LKA) system helps detect lane markers on the road with a front view camera at the front windshield, and assists the driver's steering to help keep the vehicle betwee ...

Warning Light and Message
Keep hands on steering wheel If the driver takes their hands off the steering wheel for several seconds while the LKA system is activated, the system will warn the driver. Information If the st ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: If the Engine Will not Start
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Hyundai Elantra AD (2016-2020) Service Manual: Specifications
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