Using HFL
HFL Buttons
![../img/3S51-ENU-039.png](../img/3S51-ENU-039.png)
Left Selector Wheel: While receiving a call, the incoming call screen is displayed on the driver information interface. You can pick up the call using the left selector wheel.
PHONE button: Press to go directly to the Phone screen.
Selector knob: Rotate to select an item on the screen, then press
.
HFL Status Display
The audio/information screen notifies you when there is an incoming call.
![../img/T401-ENU-153.png](../img/T401-ENU-153.png)
- Detail
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The information that appears on the audio/information screen varies between phone models.
Limitations for Manual Operation
Certain manual functions are disabled or inoperable while the vehicle is in motion. You cannot select a grayed-out option until the vehicle is stopped.
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