High-voltage battery overheating

Stop immediately

Safety 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

Stop immediately to let the battery cool; if the warning flashes, leave the vehicle promptly.

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

Charging connection indicator Driving power limit High-voltage battery fault Powertrain fault warning

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.