2020 Kia Optima SFACTORY OEM SERVICE PROCEDURE

High Beam Assist (HBA)

WARNING: This page is about a different car, the 2020 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: The system may not operate normally in the below conditions.
  • When the light from the oncoming or front vehicle is not detected because of lamp damage, hidden from sight, etc.
  • When the lamp of the oncoming or front vehicle is covered with dust, snow or water.
  • When the light from the oncoming or front vehicle is not detected because of exhaust fume, smoke, fog, snow, etc.
  • When the front window is covered with foreign matters such as ice, dust, fog, or is damaged.
  • When there is a similar shape lamp with the front vehicle's lamps.
  • When it is hard to see because of fog, heavy rain or snow.
  • When the headlamp is not repaired or replaced at an authorized dealer.
  • When headlamp aiming is not properly adjusted.
  • When driving on a narrow curved road or rough road.
  • When driving downhill or uphill.
  • When only part of the vehicle in front is visible on a crossroad or curved road.
  • When there is a traffic light, reflecting sign, flashing sign or mirror.
  • When the road conditions are bad such as being wet or covered with snow.
  • When the front vehicle's headlamps are off but the fog lamps on.
  • When a vehicle suddenly appears from a curve.
  • When the vehicle is tilted from a flat tire or being towed.
  • When the LDW/LKA warning light illuminates.
  • Replace front view camera with a new one
  • Windshield glass changed
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.