See also:

Disconnecting the cell phone
The cell phone is automatically disconnected from the infotainment system if it is moved out of range. The cell phone can be manually disconnected from the hands-free system by pressing and holdi ...

Tire age
Tires degrade over time, even when they are not being used. It is recommended that tires generally be replaced after 6 years of normal service. Heat caused by hot climates, frequent high loadi ...

Steep inclines and/or heavy loads
ACC is primarily intended for use on fairly level roads. The system may have difficulty maintaining the correct distance to a vehicle ahead on steep inclines, if the vehicle is carrying a heav ...