What Kind Of Oil To Use - GMC 1996 Sonoma Owner's Manual

What Kind of Oil to Use
Oils recommended for your vehicle can be identified by
looking for the "Starburst" symbol. This symbol
indicates that the oil has been certified by the American
Petroleum Institute (API). Do not use any oil which
does not carry this Starburst symbol..
I f you change your own oil. be sure you use oil that has
the
Starburst symbol on the front of the oil container. If
you have your oil changed for you, be sure the oil put
into your engine
is
American Petroleum Institute
certifiecl for gasoline engines.
You
should also
use the proper viscosity oil for your
vehicle,
as
shown in the following chart:
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
"(
+ 3
+ Z
t 1
r 4
- 7
- 1
I
8 8
1 7
6
SAE
CW-30
PREFERRED
WEATHER
DO NOT USE SAE 2OW-50 OR ANY OTHER
GRADE OIL NOT RECOMMENDED
6-12