Honda CRF1100 Owner's Manual page 334

Audio System Trouble
Symptom
Apple CarPlay is not be
available.
328
When the paired headset connection is broken due to headset
battery depletion or communication failure, Apple CarPlay cannot
be used until the connection is restored.
The screen will not switch to Apple CarPlay automatically, other
than when the ignition switch is turned to
CarPlay activated.
Some USB cables may be incompatible with Apple CarPlay. Use
certified cable to connect the iPhone.
You have not agreed to enable Apple CarPlay. Reconnect the
iPhone and enable CarPlay on the disclaimer screen.
Apple CarPlay setting on your iPhone may be disabled.
Disconnect iPhone and enable the Apple CarPlay setting on your
iPhone.
Cause/remedy
(Off) with Apple
P. 195
2