6-29
D
SAE 15W-40
As shown in the viscosity chart, SAE 15W
-40 is
best for your vehicle. However, you can use SAE
10W-30 at temperatures above 0
_
F (-18
_
C).
When it’s very cold, below 0
_
F (
-18
_
C), you should
use SAE 5W
-40 to improve cold starting.
These numbers on the oil container show its
viscosity, or thickness. Do not use other viscosity
oils such as SAE 10W
-40 or SAE 20W-50.
This doughnut-shaped logo
(symbol) is used on most
oil containers to help you
select the correct oil. It
means that the oil has been
certified by the American
Petroleum Institute.
You should look for this on the oil container, and use
only those oils that display the logo.
GM Goodwrench
R
oil of the recommended viscosity
grades meets all the requirements for your vehicle.
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