RECOMMENDED
S&
VISCOSITY GRADE ENGINE OILS
FOR
BEST FUEL ECONOMY AND COLD STARTING, SELECT
THE
LOWEST
SAE VlSCOSlTT 6aOE
OIL
FOR
THE EXPECTED TEMPERATURE RANGE.
HOT
WEATHER
“C
+
3a
+
21
+
16
+4
-7
-
18
LOOK
FOR
MIS
SYMBOL
COLD
WEATHER
DO
NOT
USE
SAE
2OW-50
OR
ANY
0,THER
GRADE
OIL
NOT RECOMMENDED
-_
As
shown
in
the chart,
SAE
5W-30
is best for
your
vehicle. However, you can use
SAE
1OW-30
if it’s going
to be
0
“F
(-
18.”
C)
or above. These’numbers on
an
oil
container show its viscosity,
or
thickness.
Do
not use
other viscosity oils, such as
SAE
20W-50.
NOTICE:
Use only engine oil. with the”American Petroleum
Institute Certified For Gasoline’ Engines
“Starburst” symbol. Failure to use the
recommended oil can result in engine damage not
covered by your warranty.
GM Goodwrench@ oil meets all the requirements for
your vehicle.
Engine Oil Additives
Don’t add anything to your oil. Your Buick dealer
is
ready to advise if you think something should be added.
6-14’
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