Pontiac 2007 G5 Owner's Manual page 281

What Kind of Engine Oil to Use
Look for two things:
•
GM6094M
Your vehicle's engine requires oil meeting
GM Standard GM6094M. You should look
for and use only an oil that meets GM
Standard GM6094M.
•
SAE 5W-30
As shown in the viscosity chart, SAE 5W-30 is
best for your vehicle.
These numbers on an oil container show its
viscosity, or thickness. Do not use other
viscosity oils such as SAE 20W-50.
Oils meeting these
requirements should
also have the starburst
symbol on the container.
This symbol indicates
that the oil has been
certified by the
American Petroleum
Institute (API).
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