See also:

Reporting Safety Defects (U.S.A.)
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 ...

Horn
To sound the horn, press the mark on the steering wheel. ...

Safety
Side curtain airbags and seat-mounted side-impact airbags are standard in all Mazda6 models, as are antilock brakes and traction control. ...