Honda 2012 TRX420TM Owner's Manual page 130

Coolant
Coolant Replacement
Refer to Saf ety Precautions
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
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.
To properly dispose of drained coolant, refer to
page 184 .
Improper disposal of drained f luids is harmf ul to the environment.
122 Servicing Your Honda
on page 89 .
224 ).
You & the Environment,