Adaptive Headlight Fault
WarningBYD · Driver Assist
What does this warning light mean?
This indicates a fault with the adaptive headlight system. The automatic high beam or cornering light function may not operate correctly.
Can I drive?
Yes — safe to drive
What to do
Have your vehicle inspected at a BYD authorised service centre. Basic headlight functions should still work, but you'll need to manually switch between high and low beam when driving at night until the system is repaired.
Likely causes
- —Headlight actuator fault
- —Ride height sensor fault
Technical Information
| Field | Value |
|---|---|
| Code | BYD_WL_018 |
| System | Driver Assist |
| Severity | WARNING |
| Can drive? | yes |
Data confidence: Community This information is for reference only. Always consult a qualified technician for diagnosis and repair. Do not attempt high-voltage system repairs yourself.