See also:

Items to initialize
The following items must be initialized for normal system operation in cases such as after the 12-volt battery is reconnected, or maintenance is performed on the vehicle. ...

If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Lexus dealer as soon as possible. Visible symptoms Fluid leaks under the vehicle (Water ...

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 sy ...