See also:

Radar sensor
The radar sensor detects vehicles or other obstacles on or near the road ahead and determines whether a collision is imminent based on the position, speed, and heading of the obstacles. ...

Alarm
The system sounds the alarm and flashes lights when forcible entry is detected. - Triggering of the alarm The alarm is triggered in the following situations when the alarm is set: l A locked do ...

If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment or repair. Contact your Lexus dealer as soon as possible.  - Visible symptoms • Fluid leaks under the veh ...