Honda ADV350A Owner's Manual page 88

Maintenance Fundamentals
Battery
Your vehicle has a maintenance-free type
battery. You do not have to check the battery
electrolyte level or add distilled water. Clean the
battery terminals if they become dirty or
corroded.
Do not remove the battery cap seals. There is
no need to remove the cap when charging.
84
NOTICE
Your battery is a maintenance-free type and can
be permanently damaged if the cap strip is
removed.
This symbol on the battery means that
this product must not be treated as
household waste.
NOTICE
An improperly disposed of battery can be
harmful to the environment and human health.
Always confirm local regulations for proper
battery disposal instruction.