Honda CR-V: Using HFL / HFL Status Display
The audio/information screen notifies you when there is an incoming call.

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.
Only previously stored speed dial entries can be called using voice commands
while
the vehicle is in motion.
(Pick-up) button: Press
to go directly to the phone screen or to answer an
incoming call.
(Hang-up/back) button:
Press to end a call or to cancel a command...
Other information:
Your audio system allows you to listen to music from the Pandora® app on a
compatible smartphone.
This function is available when the phone is paired and connected to the
vehicle’s Bluetooth® HandsFreeLink® (HFL) system, or with an iPhone, you can
connect using your USB cable to the USB port...
Models with color audio system
Bluetooth® HandsFreeLink® (HFL) allows you to place and receive phone calls
using
your vehicle's audio system, without handling your cell phone.
Place your phone where you can get good reception.
To use HFL, you need a Bluetooth-compatible cell
phone...