See also:

If a warning light turns on or a warning buzzer sounds...
Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the syst ...

Vehicle exterior
CAUTION  - If the engine is running Turn off the engine and ensure that there is adequate ventilation before performing maintenance checks. ...

General information
You are responsible for ensuring that your Lexus is operated and maintained according to the instructions in the Owner’s Manual and the “Maintenance Information” section of this guide. Y ...