Lexus GS450h Owner's Manual page 580

580
What to do if... (Troubleshooting)
The windows do not open or close by operating the power window
switches
Is the window lock switch pressed?
●
The power window except for the one at the driver's seat cannot be operated
if the window lock switch is pressed. (P. 193)
The power switch is turned off automatically
The auto power off function will be operated if the vehicle is left in ACCES-
●
SORY or ON mode (the hybrid system is not operating) for a period of time.
(P. 219)
A warning buzzer sounds during driving
The seat belt reminder light is flashing
●
Are the driver and the front passenger wearing the seat belts? (P. 462)
The parking brake indicator is on
●
Is the parking brake released? (P. 232)
Depending on the situation, other types of warning buzzer may also sound.
(P. 460, 466)
An alarm is activated and the horn sounds (if equipped)
Did anyone inside the vehicle open a door or anything move inside the vehicle
●
during setting the alarm?
The sensor detects them and the alarm sounds. (P. 91)
To stop the alarm, turn the power switch to ON mode or start the hybrid system.
A warning buzzer sounds when leaving the vehicle
(vehicles with entry function)
Is the electronic key left inside the vehicle or the moon roof opened (if
●
equipped)?
Check the message on the multi-information display. (P. 466)
GS450h_300h_OM_OM30F92E_(EE)