MCU family
MCU_u003_HeadlightsOnDoorOpen
Headlights manually set to ON
What does the MCU_u003_HeadlightsOnDoorOpen alert mean?
Headlamps are set to ON and the driver's door is open
What you'll see in your Tesla
- Headlights manually set to ON
- Idle battery power consumption may be increased
Affected models
Model S 2012-2020
Model X 2015-2020
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.