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Red lightHigh
Low-voltage system warning
Service requiredSafety warning — do not ignore this light
This warning light indicates a potentially serious fault. Do not continue driving. Stop in a safe location and contact an authorized service center or roadside assistance. Never attempt to inspect high-voltage or safety-critical components yourself.
What this light means
Charging/DC module or low-voltage system fault may be present. Reduce load and contact service.
Immediate actions
- 1Stop safely when the manual says to stop or if braking, steering, battery or power is affected.
- 2Record the exact icon/message, color, driving/charging state, mileage and weather.
- 3Contact authorized BYD service; do not attempt component repair.
Related warning lights
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.