As
shown in the chart,
SAE
5W-30
is best for your
vehicle. However, you can use SAE
1OW-30
if it’s going
to
be
0°F
(-1
8
“C)
or
above. These numbers on
an
oil
container
show
its viscosity, or thickness.
Do
not use
other viscosity oils, such
as
SAE
20W-50.
NOTICE:
Use
only
engine
oil
with the American Petroleum
Institute Certified For Gasoline Engines
“Starburst”
symbol.
Failure
to
use
the
recommended oil can result in engine damage
not
covered by your warranty.
GM
Goodwrench@ oil meets all the requirements for
your
vehicle.
Engine
Oil
Additives
Don’t
add anything to your
oil.
Your
Geo
dealer 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
e
e
0
e
Most trips are less than
5
to
10
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).
You
operate your vehicle
in
dusty areas or
off-road frequently.
You
frequently
tow
a
trailer
or
use
a
carrier
on
top
of
your vehicle.
The vehicle is used for delivery service, police, taxi
or other commercial application.
Driving under these conditions causes engine
oil
to
break down sooner.
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
occurs first.
If
none
of
them
is
true,
change
oil
and
filter every
7,500
miles
(12
500
km)
or
7.5
months
--
whichever
occurs first.
Driving
a vehicle with
a
fully
warned
engine under highway conditions causes engine oil to
break down slower.
6-12
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