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RECOMMENDED SAE VISCOSITY GRADE ENGINE
OILS
FOR
BEST
FUEL
ECONOMY AND COLD STARTING, SELECT THE LOWEST
~
SAE VISCOSITY GRADE
OIL
FOR
THE EXPECTED TEMPERATURE RANGE.
-
HOT
WEATHER
LOOK
FOR
MIS
SYMBOL
SAE
5w-30
PREFERRED
WEATHER
DO
NOT
USE
SAE
2OW-50
OR ANY OTHER
GRADE
OIL
NOT
RECOMMENDED
As
shown
in
the chart,
SAE
SW-30
is
best for your
vehicle. However, you can
use
SAE
IOW-30
if it’s going
to be
0°F
(-lS°C) or above. These numbers on
an
oil
container show its viscosity,
or
thickness.
Do
not
use
other viscosity oils, such as
SAE
2OW-SO.
NOTICE:
Use only engine oil with the American Petroleum
Institute Certified For Gasoline Engines
“Starburst”
symbol.
Failure to
use
the proper oil
can result in engine damage not covered by your
warranty.
GM
Goodwrench@ oil
(in
Canada, GM Engine
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.
6-10