Honda Element 2003 Owner's Manual page 232

Main Menu Table of Contents
Cooling System
5. Remove the reserve tank
mounting bolt with a wrench, and
remove the reserve tank from its
bottom holder by pulling it up
while rotating it about 360° to
avoid hitting the fan shroud.
228
Maintenance
6. Drain the coolant, then put the
tank back in its holder. Reinstall
the reserve tank mounting bolt
and tighten it securely.
7. When the coolant stops draining,
tighten the drain plug at the
bottom of the radiator.
8. Pour Honda All Season
Antifreeze/Coolant Type 2 into
the radiator up to the base of the
filler neck. This coolant is a
mixture of 50 percent antifreeze
and 50 percent water. Pre-mixing
is not required.