Lexus IS300H 2017 Manual page 601

Warning message
8-2. Steps to take in an emergency
Details/Actions
Indicates that the EV drive mode is not available
The reason the EV drive mode is not available (the
vehicle is idling, hybrid battery [traction battery]
charge is low, speed is higher than the EV drive mode
operating speed range, accelerator pedal is
depressed too much) may be displayed.
A buzzer also sounds.
 Use the EV drive mode when it becomes available.
601
*
8