Engine coolant 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

Engine coolant temperature is too high. Stop safely and follow the manual/service guidance.

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

Low-voltage system warning Low fuel warning Emission system fault Low oil pressure warning

Sources

✓Official Netherlands SEAL U DM-i LHD owner manual PDF

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