Honda GOLDWING GL1800/A 2015 Owner's Manual page 187

Coolant
Coolant Replacement
Refer to Safety Precautions on
Coolant should be replaced by your dealer, unless you have the proper tools and
service data and are mechanically qualified. Refer to the official Honda Service
Manual (page 270).
To properly dispose of drained coolant, refer to You & the Environment,
223.
Improper disposal of drained fluids is harmful to the environment.
184
Servicing Your Honda
page 154.
Removing the radiator cap while
the engine is hot can cause the
coolant to spray out, seriously
scalding you.
Always let the engine and
radiator cool down before
removing the radiator cap.
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