Lexus IS250 U Owner's Manual page 562

562
What to do if... (Troubleshooting)
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. 467)
The parking brake indicator is on
●
Is the parking brake released? (P. 172)
Depending on the situation, other types of warning buzzer may also sound.
(P. 466, 472)
An alarm is activated and the horn sounds
Did anyone inside the vehicle open a door during setting the alarm?
●
The sensor detects it and the alarm sounds. (P. 71)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
A warning buzzer sounds when leaving the vehicle
Is the electronic key left inside the vehicle or the moon roof opened?
●
Check the message on the multi-information display. (P. 472)
A warning light turns on or a warning message is displayed
When a warning light turns on or a warning message is displayed, refer to
●
P. 466, 472.
IS350/250_U (OM53C50U)