GMC Hummer H3 2008 Owner's Handbook Manual page 256

SAE 0W-30
°C -30
-20 -10
°F -22
-4 14
Choosing the Right Oil Viscosity
SAE 5W-30 is the recommended
engine oil for your vehicle. SAE
10W-30 may be used at tempera-
tures warmer than -18°C.
SAE 5W-30
SAE 10W-30
SAE 5W-40
SAE 10W-40
0 10 20 30
32 50 68 86 104
If you are unable to find oil of the
recommended viscosity, then
consider the range of temperature
your vehicle will be operated in
before the next oil change and use
the chart above to choose an alter-
native that meets the required
quality standards.
NOTICE
Failure to use the recommend-
ed oil can result in engine
damage not covered by your
warranty.
40 50
122
Section 4
255 . . .