Cadillac 2008 CTS Owner's Manual page 400

AKENG40_CTS Page 400 Wednesday, July 23, 2008 11:47 AM
Service and Maintenance
Choosing the Right Oil Viscosity
SAE 5W-30 is best for your vehicle.
Your vehicle requires the use of a
synthetic oil meeting GM standard
GM4718M.
Substitute oil not meeting GM
Standard GM4718M should not
be used for an oil change.
. . . 400
SAE 0W-30
°C -30
-20 -10 0
°F -22
-4 14 32
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
alternative that meets quality
standards.
SAE 5W-30
SAE 10W-30
SAE 5W-40
SAE 10W-40
10 20 30 40 50
50 68 86 104 122
Do not use SAE 20W-50 or any
other viscosity oil not
recommended.