As
shown
in
the chart, SAE 10W-30 is best for your
vehicle. However,
you
can use SAE SW-30
if
it’s going
to be colder than
60°F
(16°C) before your next oil
change. When it‘s very cold. you should use
SAE
SW-30. These numbers
on
an oil container show its
viscosity,
or
thickness. Do
not
use other viscosity oils,
such
X
SAE 2OW-SO.
NOTICE:
Use only engine oil with the American Petroleum
Institute Certified For Gasoline Engines
“Starburst” symbol. Failure to use the proper oil
can result in engine damage not covered by your
warranty.
GM Goodwrench@ oil
(in
Canada, GM Engine Oil)
meets all the requirements for your vehicle.
Engine Oil Additives
Don’t add anything to your oil.
Your
Aurora retailer is
ready
to
advise
if
you think something should be added.
When to Change Engine Oil
See
if
any one of these is true for you:
0
Most trips are less
than
5
to I0 miles
(8
to
16
km).
This is particularly important
when
outside
temperatures are below freezing.
Most
trips include extensive idling (such
as
frequent
driving
in
stop and go traffic).
Most
trips are through dusty areas.
0
You frequently tow
a
trailer or use
a
carrier
on
top
of
your vehicle.
If
any one
of-.
these is true for your vehicle,
then
you
need to change your oil and filter every 3,000 miles
(5
000
km)
or 3 months
--
whichever comes first. (See
“Change Oil Message”
in
the Index.)
If
the CHANGE
OIL NOW message appears
in
the Driver Information
Center,
you
should change your
oil.
If
none
of
them
is
true, change the oil and filter every
7,500 miles
(
12
SO0
km)
or
12
months
--
whichever
colnes first. (See “Change Oil Message’‘
in
the Index.)
Always reset the engine oil life to 100% after every oil
change.
6-13
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