Buick 2000 LeSabre Owner's Manual page 244

3. Fill the radiator with the proper DEX
coolant mixture, up to the base of the filler neck.
(See "Engine Coolant" in the Index for more
information about the proper coolant mixture.)
5. Put the cap back on the coolant recovery tank, but
leave the radiator pressure cap off.
R
-
COOL
yellowblue
4. Then fill the
coolant recovery
tank to the
FULL COLD mark.
5-17