Parts for your 2020 Subaru Legacy-Headlights

2020 Subaru Legacy headlights — what they do and how to look after them

Headlights are absolutely fitted and used on the 2020 Subaru Legacy. Technical sources including the 2020 Subaru Legacy Owner’s Manual, Subaru’s model information for MY2020, and independent test data (such as IIHS headlight evaluations) confirm the vehicle is equipped with LED headlamps, with features like auto on/off, available Steering Responsive Headlights (SRH) and High Beam Assist. More broadly, Australian Design Rules (ADR 13/00) and comparable New Zealand requirements mandate headlamps on road-going vehicles, further confirming headlights are relevant to this model.

On the 2020 Legacy, the headlights are designed to deliver clear, even illumination for night driving and poor weather. The LED units provide a crisp, white beam that helps the driver spot hazards earlier and reduces eye strain on long night drives. With available SRH, the beam can swivel with steering input to light up corners, while High Beam Assist can automatically dip for oncoming traffic — handy on rural Kiwi and Aussie roads. Day or night, the housings are shaped to focus light where it’s needed, meeting the strict beam patterns required for compliance and avoiding glare for others.

Because the Legacy uses LED technology on most trims, there’s typically no simple “bulb swap” like old halogen setups. Many market variants use a sealed or semi-sealed LED module, when an LED unit fails, the correct service fix may be a lamp assembly replacement. That’s why using genuine or ADR-compliant parts is important — beam pattern, brightness and electrical behaviour all matter. If the car has SRH or auto high beam, calibration or aiming checks may be needed after work on the lamps, front bumper, suspension, or windscreen camera.

• Clean the lenses gently with pH-neutral car wash, avoid harsh solvents and abrasive pads.
• Check operation (low, high, indicators, DRLs) monthly, confirm aiming after impacts or suspension changes.
• If a headlight is out or flickering, book a qualified technician — LED diagnostics, sealing, and aim need the right gear.
• After a windscreen or camera service, verify auto high beam and SRH functions in the vehicle settings and on a safe night drive.

Regular checks during servicing — including lens condition, wiring integrity, and beam aim — keep the Legacy’s headlights performing as designed, improving visibility and safety in Aussie and Kiwi conditions.

Popular questions about 2020 Subaru Legacy headlights

What type of headlights does the 2020 Subaru Legacy use?
Most 2020 Legacy models are equipped with LED headlights, with available Steering Responsive Headlights and High Beam Assist depending on trim and market. The setup delivers bright, efficient lighting and advanced features to help with night driving. Always confirm features for your specific VIN in the Owner’s Manual or via a dealer.

Can I replace a Legacy headlight bulb at home?
If your Legacy has LED headlamps, the light source is often part of a sealed or semi-sealed unit, so there isn’t a traditional bulb to swap. Replacement generally involves the lamp assembly and may require aiming or calibration. A technician can test the unit, confirm parts, and set the beam correctly for ADR/WOF compliance.

Why aren’t auto high beam or steering-responsive lights working?
Common causes include a dirty windscreen around the camera, deactivated settings in the vehicle menu, or a fault after a windscreen, bumper, or suspension repair. Clean the glass, check the settings, and if the functions still don’t operate, have the system checked — camera alignment or lamp calibration may be needed.