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RECOMMENDED SAE VISCOSITY GRADE ENGINE O I L S
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
t o
advise if you think something should be added.
6-10
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