Black plate (11,1)
Cadillac XTS Owner Manual (GMNA-Localizing-U.S./Canada-7707485) -
2015 - CRC - 10/31/14

Vehicle Care 10-11

{Caution
Failure to use the recommended
engine oil can result in engine
damage not covered by the
vehicle warranty.Check with your
dealer or service provider on
whether the oil is approved to the
dexos1 specification.
Viscosity Grade
Use SAE 5W-30 viscosity grade
engine oil.
Cold TemperatureOperation: In an
area of extreme cold, where the
temperature falls below 29°C
(20°F), an SAE 0W-30 oil may be
used. An oil of this viscosity grade
will provide easier cold starting for
the engine at extremely low
temperatures. When selecting an oil
of the appropriate viscosity grade,
always select an oil of the correct
specification. See Specification
earlier in this section.

Engine Oil Additives/Engine

Oil Flushes

Do not add anything to the oil. The
recommended oils meeting the
dexos1 specification are all that is
needed for good performance and
engine protection.
Engine oil system flushes are not
recommended and could cause
engine damage not covered by the
vehicle warranty.

What to Do with Used Oil

Used engine oil contains certain
elements that can be unhealthy for
your skin and could even cause
cancer.Do not let used oil stay on
your skin for very long. Clean your
skin and nails with soap and water,
or a good hand cleaner.Wash or
properly dispose of clothing or rags
containing used engine oil. See the
manufacturer's warnings about the
use and disposal of oil products.
Used oil can be a threat to the
environment. If you change your
own oil, be sure to drain all the oil
from the filter before disposal. Never
dispose of oil by putting it in the
trash or pouring it on the ground,
into sewers, or into streams or
bodies of water.Recycle it by taking
it to a place that collects used oil.
Engine Oil Life System

When to Change Engine Oil

This vehicle has a computer system
that indicates when to change the
engine oil and filter.This is based
on a combination of factors which
include engine revolutions, engine
temperature, and miles driven.
Based on driving conditions, the
mileage at which an oil change is
indicated can vary considerably.For
the oil life system to work properly,
the system must be reset every time
the oil is changed.
When the system has calculated
that oil life has been diminished, it
indicates that an oil change is
necessary.A CHANGE ENGINE
OIL SOON message comes on. See
Engine Oil Messages on page 5-39.