See also:

Follow the correction procedures.
A buzzer sounds and a warning message is shown on the multi-informa- tion display. After taking the specified steps to correct the suspected problem, check that the warning message goes off. ...

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 l Fluid leaks under the vehicle ( ...

Menu list of the hands-free phone system
 - Normal operation  - Using a short cut key  - Automatic volume adjustment When vehicle speed reaches 50 mph (80 km/h) or more, the volume automati- cally increases. The vol ...