See also:

Collision warning
Collision warning helps prevent common traffic accidents. Forward-looking, long-distance radar identifies potential obstacles. When the danger of a collision is detected, the system warns the driver ...

Reporting safety defects (U.S. only)
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 (NH ...

Hilly condition usage
It is recommended that the driver select a lower gear position when ACC is active in situations such as prolonged downhill driving on steep grades (i.e., driving in mountainous areas). In these si ...