Red lightCritical

High-voltage battery fault

Service required

What this light means

High-voltage battery fault warning. Contact BYD service.

Immediate actions

  1. 1Stop safely when the manual says to stop or if braking, steering, battery or power is affected.
  2. 2Record the exact icon/message, color, driving/charging state, mileage and weather.
  3. 3Contact authorized BYD service; do not attempt component repair.

Sources

Official Netherlands SEAL U EV LHD owner manual PDF

For informational purposes only. Always consult a certified service center for diagnosis and repair of warning light conditions.

High-voltage battery fault warning light —… — AutoTechHelp