See also:

Disconnecting an external device
The external device is automatically disconnected from the audio system if it is moved out of range ...

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 heavy lo ...

Laminated glass
This glass is reinforced to help provide protection against break-ins and improved sound insulation in the passenger compartment. The windshield, laminated panoramic roof and other windows ...