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 ...

Engine (ignition) switch
Performing the following operations when carrying the electronic key on your person starts the engine or changes “ENGINE START STOP” switch modes. Starting the engine 1. Check that the parking bra ...