Chevrolet 1995 Lumina Owner's Manual page 180

If there seems to be no leak, with
the engine on check to
see if the electric engine fan(s) are running. If the engine
is overheating, both fan(s) should be running. If they
aren't, your vehicle needs service.
How to Add Coolant to the Coolant
Recovery Tank
If you haven't found a problem yet, but the coolant level
isn't at the COLD mark, add a 50/50 mixture of clean
water (preferably distilled) and a proper, antifi-eeze at the
coolant recovery
tauk.
(See ''Engine Coolant" in the Index
€or
more
information about the proper coolant
mix.)
I
NOTICE:
I
I
Engine damage from running your engine
without coolant isn't covered by your warranty.
I
5-16
~