Red lightHigh

Coolant overheating warning

Stop soon

What this light means

Coolant temperature is too high.

Immediate actions

  1. 1Park in a safe area until the indicator goes out; contact service if it persists.
  2. 2Record exact dashboard message, speed, SOC, charging state and conditions.
  3. 3Do not dismantle the system; contact authorized BYD service.

What to check

Confirm exact dashboard message
Stop safely for red/critical warnings
Confirm VIN, market and software with dealer

Possible causes

  • coolant overheat
  • cooling system issue
  • heavy load/high temperature

Related warning lights

Sources

BYD SEALION 7 owners manual LHD EN 240820

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

Coolant overheating warning warning light —… — AutoTechHelp