Honda 2008 S2000 Owner's Manual page 138

Service Station Procedures
Engine Coolant Check
RESERVE TANK
MAX MIN
132
Look at the coolant level in the
radiator reserve tank. Make sure it is
between the MAX and MIN lines. If
it is below the MIN line, see
on page 173
Engine Coolant
information on adding the proper
coolant.
Refer to Owner's Maintenance
on page
Checks
about checking other items on your
Adding vehicle.
for
167 for information