See also:

Reporting safety defects for U.S. owners
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ad ...

Horn
To sound the horn, press on or close to the mark. ...

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 vehicle. (Water ...