Oldsmobile cutlass supreme 1996 Owner's Manual page 234

RECOMMENDED
SAE VISCOSITY GRADE ENBlWE OILS
,
FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT
WE
LOWEST
S M , WSCOSIlV GRADE OU FOR THE EXPECTED TEMPERATURE RANE.
HOT
WEATHER
' l o w
F O R
THIS
SYlVlsOL
"C
'
+a
+
21
+
16
+ 4
- 7
-
18
COLD
sAE5w-30
above 0°F
(-18%)
SAE 10W-M
WEATHER
DO NOT USE SAE 2OW-50
OR
ANY OTHER
GRADE OIL NOT RECOMMENDED
As shown in the chart, .if you have the 3.4L engine,
S A E 1OW-30 is best for your, vehicle. However, you can
use SAE 5W-30 if
it's going to be cqlder than
60°F
(1 6' 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, s,uch
as
SAE 20W-50.
NOTICE:
Use only engine oil
with
the. American Petroleum
Institute Ceptified For GasoIine Engines-
"Starburst" symbo1: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.
6-14