See also:

Items to initialize
After reconnecting or performing maintenance on the battery, the following items must be initialized for normal system operation. ...

If the vehicle 12-volt battery is discharged
The following procedures may be used to start the hybrid system if the vehicle’s 12-volt battery is discharged. You can also call your Lexus dealer or a qualified repair shop. If you have a set o ...

If the engine will not start
If the engine will not start, even though correct starting procedures are being followed , consider each of the following points. The engine will not start even when the starter motor operates norm ...