See also:

Automatic arming
The vehicle is armed immediately after switching the ignition to the off position. The theft indicator will flash every two seconds to act as a theft deterrent when the vehicle is armed. ...

Low speed automatic cancellation
ACC is not functional at vehicle speeds below 18 mph (30 km/h). Once the vehicle speed drops below 18 mph (30 km/h), an audible alarm will sound, the head’s up display will flash and the automatic ...

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 ...