See also:

Current speed in km/h (U.S. models only)
This function provides the driver with an instantaneous conversion of the car's current speed from mph to km/h. ...

Introduction
System overview 1 Cell phone 2 Location of the microphone 3 Steering wheel keypad 4 Center console control panel and display ...

Situations where ACC may not function optimally
WARNING The radar sensor has a limited field of vision. In some situations it may detect a vehicle later than expected or not detect other vehicles at all. If ACC is not functioning prop ...