Hyundai Elantra: Exterior Lights / High Beam Assist (HBA)

Hyundai Elantra. High Beam Assist (HBA)

The High Beam Assist (HBA) is a system that automatically adjusts the headlamp range (switches between high beam and low beam) according to the brightness of other vehicles and road conditions.

Operating condition

1. Place the headlamp switch in the AUTO position.

2. Turn on the high beam by pushing the lever away from you.

The High Beam Assist (HBA) (Hyundai Elantra. High Beam Assist (HBA)) indicator will illuminate.

3. The High Beam Assist (HBA) will turn on when vehicle speed is above 25 mph (40 km/h).

When the High Beam Assist (HBA) is operating, the high beam switches to low beam if any of the following conditions occur :

- When the headlamp of an on-coming vehicle is detected.
- When the tail lamp of a vehicle in front is detected.
- When the headlamp or tail lamp of a motorcycle or a bicycle is detected.
- When the surrounding ambient light is bright enough that high beams are not required.
- When streetlights or other lights are detected.
- When the headlamp switch is not in the AUTO position.
- When the High Beam Assist (HBA) is off.
- When vehicle speed is below 22mph (35 km/h).

Hyundai Elantra. High Beam Assist (HBA)

Warning light and message

When the High Beam Assist (HBA) is not working properly, the Check High Beam Assist warning message will come on for a few second. After the message disappears, the master warning light (Hyundai Elantra. High Beam Assist (HBA)) will illuminate.Take your vehicle to an authorized HYUNDAI dealer and have the system checked.


The system may not operate normally if any of the following conditions should occur:

1) When the illumination from an on-coming vehicle or a vehicle in front is dim. Such examples may include:

2) When the High Beam Assist camera is adversely affected by an external condition. Such examples may include:

3) When the forward visibility is poor. Such examples may include:


High beam operation
To turn on the high beam headlamp, push the lever away from you. The lever will return to its original position. The high beam indicator will light when the headlamp high beams are switched on. ...

Turn signals and lane change signals
To signal a turn, push down on the lever for a left turn or up for a right turn in position (A). If an indicator stays on and does not flash or if it flashes abnormally, one of the turn signal ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Limitations of the System
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Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
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