Hyundai Elantra (CN7): High Beam Assist (HBA) / Function malfunction and limitations

Function malfunction

When High Beam Assist is not working properly, the ‘Check High Beam Assist (HBA) system’ or ‘Check HBA (High Beam Assist) system’ warning message will appear and warning light will illuminate on the cluster. Take your vehicle to an authorized HYUNDAI dealer and have the function checked.

Limitations of the function

High Beam Assist may not work properly in the following situations:

  • Light from a vehicle is not detected because of lamp damage, or because it is hidden from sight, etc.
  • Headlamp of a vehicle is covered with dust, snow or water.
  • A vehicle’s headlamps are off but the fog lamps are on and etc.
  • There is a lamp that has a similar shape as a vehicle’s lamp.
  • Headlamps have been damaged or not repaired properly.
  • Headlamps are not aimed properly.
  • Driving on a narrow curved road, rough road, uphill or downhill.
  • Vehicle in front is partially visible on a crossroad or curved road.
  • There is a traffic light, reflecting sign, flashing sign or mirror ahead.
  • There is a temporary reflector or flash ahead (construction area).
  • The road conditions are bad such as being wet, iced or covered with snow.
  • A vehicle suddenly appears from a curve.
  • The vehicle is tilted from a flat tire or is being towed.
  • Light from a vehicle is not detected because of exhaust fume, smoke, fog, snow, etc.

WARNING

  • At times, High Beam Assist may not work properly. It is the responsibility of the driver for safe driving practices and always check the road conditions for your safety.
  • When High Beam Assist does not operate normally, change the headlamp position manually between high beam and low beam.

    Display and control • After selecting ‘High Beam Assist’ in the Settings menu, High Beam Assist will operate by following the procedure below.

    WARNING Do not use the interior lights when driving in the dark. The interior lights may obscure your view and cause an accident. NOTICE Do not use the interior lights for extended periods when the vehicle is turned off or the battery will discharge.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Antenna Coil

    Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")3.Remove the steering column shroud panel.(Refer to Body - "Steering Column Shroud Panel")4.Disconnect the immobilizer connector (A) and press the locking pin (B) using an awl.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Desctiprion and operation

    DescriptionADAS_PRK is a unit that controls the functions required for ADAS parking. If the ADAS_PRK is applied, the parking distance warning function is also controlled by the ADAS_PRK.System FunctionParking Collision-Avoidance Assist (PCA)PCA is a parking safety system that assists in collision warning and emergency braking in the event of a coll

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