Warning Light
- Brake fluid level low.
- Brake booster failure.
- Brake force distribution error.
From pages 293-294 of the 2021 Cayenne owner’s manual:
The yellow symbol indicates that the Auto Start-Stop is not available. This is a normal indication while the engine and transmission are not at operating temperature.
You will also see this symbol when:
- "Maximum cooling" function is activated
- Activated "Defrost windshield" function
- At high altitudes
- While adjusting the chassis level
- Trailer detected (bicycle carrier connector or trailer connector plugged in).
- Low battery state-of-charge
- Very low or high outside air temperature or battery temperature
- When stopped on a hill
You can download a PDF of the manual here:
https://www.chastain.us/media/21_Cayenne_Manual.pdf
Last edited by Schnave; Sep 22, 2022 at 09:05 PM.
- Brake fluid level low.
- Brake booster failure.
- Brake force distribution error.
From pages 293-294 of the 2021 Cayenne owner’s manual:
The yellow symbol indicates that the Auto Start-Stop is not available. This is a normal indication while the engine and transmission are not at operating temperature.
You will also see this symbol when:
- "Maximum cooling" function is activated
- Activated "Defrost windshield" function
- At high altitudes
- While adjusting the chassis level
- Trailer detected (bicycle carrier connector or trailer connector plugged in).
- Low battery state-of-charge
- Very low or high outside air temperature or battery temperature
- When stopped on a hill


