What is the function of the 2025 QX55's High Beam Assist (HBA)?

The High Beam Assist (HBA) in the 2025 QX55 is designed to enhance driving safety by automatically adjusting the vehicle's headlights based on surrounding conditions. This feature detects oncoming traffic and changes the headlights from high-beam to low-beam when other vehicles are approaching. Once the road is clear, it switches back to high-beam, ensuring that the driver has optimal visibility without blinding other drivers. This capability significantly reduces the need for manual adjustment by the driver, allowing them to focus more on the road and their driving experience.

The other options describe functions that are either not part of the HBA system or do not accurately reflect its purpose. For example, manually switching beams is not a feature of the HBA, nor does it serve to enhance visibility in fog or turn off beams based on pedestrian detection—these functions may be addressed by other systems or technologies in the vehicle but are not synonymous with High Beam Assist.