Honda ADV350A Owner's Manual page 75

To prevent the battery from becoming weak
u
(or dead), keep the engine running while
drawing current from the USB socket.
To prevent entry of foreign matter into the
u
USB socket, be sure to close the cover when
the USB socket is not used.
Carefully secure all connected devices, as
u
vibration may cause damage to them or
they could shift unexpectedly.
NOTICE
• Using any heat-generating USB devices or
improperly rated USB devices can damage
the USB socket.
• Do not use the USB socket in wet conditions,
when or while washing or any other wet
conditions as these will damage the USB
socket.
• Do not allow the USB's harness to become
pinched or trapped.
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