GM Goodwrench
®
oil meets all the requirements for
your vehicle.
If you are in an area of extreme cold, where the
temperature falls below −20°F (−29°C), it is
recommended that you use 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
Do not add anything to your oil. The recommended oils
with the starburst symbol that meet GM Standard
GM6094M are all you will need for good performance
and engine protection.
When to Change Engine Oil (Vehicles
Without the Engine Oil Life System)
If any one of these is true for you, use the short trip/city
maintenance schedule:
• Most trips are less than 5 miles (8 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 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, use the long trip/highway
maintenance schedule. Change the oil and filter every
7,500 miles (12 500 km) or 12 months — whichever
occurs first. Driving a vehicle with a fully warmed engine
under highway conditions will cause engine oil to
break down slower.
If your vehicle has the Engine Oil Life System, see
Engine Oil Life System on page 5-17 for information on
when to change your engine oil.
5-16
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