See also:

Light bulbs
You may replace the following bulbs yourself. The difficulty level of replacement varies depending on the bulb. If necessary bulb replacement seems difficult to perform, contact your Lexus dealer. ...

If a warning light turns oor 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 system ...

General Maintenance and Regular Use
In addition to scheduled maintenance, your Lexus requires ongoing general maintenance such as fluid checks and visual inspections. The recommended guidelines for inspections are listed below. Plea ...