Manual

SAE low-30
As shown in the viscosity chart, SAE low-30 is best
for your vehicle. However, you can use SAE 5W-30
if
it’s
going to be colder than
60
F
(
16 C) before
your next oil change. When it’s very cold, below
0
F
(-
1
8
C),
you should use SAE 5W-30.
These numbers on an oil container show its viscosity, or
thickness,
Do
not use other viscosity oils such as SAE
1OW-40 or SAE 20W-50.
Energy Conserving I1
Oils with these words on the container will help
you
save fuel.
This doughnut-shaped logo (symbol) is used on most oil
containers to help
you
select the correct oil.
You should look for this on the oil container, and use
only
those oils that display the logo.
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 Buick 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:
Then go
to
the front of the vehicle and release the
secondary hood release. Lift the hood.
Most trips are less than
4
miles
(6
km).
0
It’s below freezing outside and most trips are less
than
10
miles
(
16 km).
0
The engine is at low speed most
of
the time (as
in
0
You tow
a
trailer often.
0
Most trips are through dusty places.
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 Soon” in the Index.)
If none of them is true, change the oil every
7,500
miles
(12
500
km) or
12
months
--
whichever comes first.
Change the filter at the first oil change and at every
other oil change after that. (See “Change Oil Soon”
in
the Index.)
Engine
Block
Heater:
An engine block heater can be a
big help if you have to park outside in very cold
weather,
0
F
(-
18
C)
or colder. If your vehicle has this
option,
see
“Engine
Block
Heater”
in
the
Index.
door-to-door delivery, or in stop-and-go traffic).
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