MyTeslaMate
UI family

UI_a003_TrunkOpen

Trunk open

What does the UI_a003_TrunkOpen alert mean?

The rear trunk is detected as open when the vehicle is shifted into a gear other than Park, which may lead to the rear trunk being open while driving.

What you'll see in your Tesla

  • Trunk open
  • Proceed with caution

What triggers it

The rear trunk is detected as open when the vehicle is shifted into the Drive, Reverse, or Neutral gears.

When it clears

The vehicle is shifted into the Park gear, the rear trunk is detected as closed, or 60 seconds have elapsed.

Potential impact

The rear trunk may be open while driving.

Affected models

Cybertruck Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ Model Y Model Y 2025+ Semitruck

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.