A Warning Buzzer Sounds During Driving; An Alarm Is Activated And The Horn Sounds; A Warning Buzzer Sounds When Leaving The Vehicle; A Warning Light Turns On Or A Warning Message Is Displayed - Lexus rx450h Service Manual

638
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. 538)
The parking brake indicator is on
●
Is the parking brake released? (P. 245)
Depending on the situation, other types of warning buzzer may also sound.
(P. 536, 543)

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. 87)
Do one of the following to stop the alarms:
• Unlock the doors.
• Turn the power switch to ACCESSORY or ON mode, or start the hybrid system.

A warning buzzer sounds when leaving the vehicle

Is the message displayed on the multi-information display?
●
Check the message on the multi-information display. (P. 543)

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. 536, 543.
RX450h_U_OM0E013U