Buick 2002 Park Avenue, Owner'S Manual

Page: 279 / 395

6-15
SAE 10W
-
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,
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 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
R
oil meets all the requirements for
your vehicle.
If you are in an area where the temperature falls below
-
20
_F (
-
29
_C), consider using either an SAE 5W
-
30
synthetic oil or an SAE 0W
-
30 oil. Both will provide
easier cold starting and better protection for your engine
at extremely low temperatures.
Engine Oil Additives
Don’t add anything to your oil. The recommended oils
with the starburst symbol are all you will need for good
performance and engine protection.
When to Change Engine Oil (Vehicles
Without the GM Oil Life System
t)
If any one of these is true for you, use the short trip/city
maintenance schedule:
D Most trips are less than 5 miles (8 km). This is
particularly important when outside temperatures
are below freezing.
D Most trips include extensive idling (such as frequent
driving in stop
-
and
-
go traffic).
D You frequently tow a trailer or use a carrier on top
of your vehicle.
D 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.