Buick 1994 LeSabre Owner's Manual page 225

RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS
~ ~~ ~~
FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST
SAE VISCOSITY GRADE 011 FOR THE EXPECTED TEMPERATURE RANGE.
HOT
WEATHER
"F
b 1 0 0
-
+80
-
+60
-
+ 4 0
-
t20
-
0 -
w ,
COLD
WEATHER
I
LOOK FOR
ONE OF THESE
LABELS
-
-
SAE 1OW-30
above
0°F
SAE 5W-30
IF NEITHER SAE 5W-30
NOR SAE 1OW-30
GRADE OILS ARE AVAILABLE, SAE 30
GRADE MAY BE USE0 AT TEMPERATURES
ABOVE 40 DEGREES F (4 DEGREES C).
ANY OTHER GRADE OIL NOT RECOMMENDED
DO NOT USE SAE 1OW-40, SAE 2OW-50 OR
As shown in the chart, SAE 1OW-30 is best for your
vehicle. However, you can use SAE 5W-30 if it's going
to be colder than 60 "F (1 6
O
C ) before your next oil
change. When it's very cold, you should use SAE
5W-30. These numbers on an oil container show its
viscosity, or thickness. Do not
use
other viscosity oils,
such as SAE 1OW-40 or SAE 20W-50.
If you cannot find oils with the new "starburst" symbol
on the front of the container, you should look for and
use oils containing the following three things:
0
a
a
SH or SG
"SH" or "SG" must be on the oil container, either by
itself or combined with other quality designations,
such as "SH/CD," "SH,SG,CD," "SG/CD," etc.
These letters show American Petroleum Institute
(API) levels of quality.
SAE 1 OW-30
Energy Conserving I1
Oils with these words on the container will help you
save fuel.
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