Suburban 1/2 Ton 4WD V8-5.3L VIN Z Flex Fuel (2006)
Oil Change Reminder Lamp: Service and Repair
Engine Oil Life System
When to Change Engine Oil
Your vehicle has a computer system that lets you know when to change the engine oil and filter. This is based on engine revolutions and engine
temperature, and not on mileage. Based on driving conditions, the mileage at which an oil change will be indicated can vary considerably. For the oil
life system to work properly, you must reset the system every time the oil is changed.
When the system has calculated that oil life has been diminished, it will indicate that an oil change is necessary. A CHANGE ENGINE OIL message
will come on. Change your oil as soon as possible within the next 600 miles (1 000 km). It is possible that, if you are driving under the best conditions,
the oil life system may not indicate that an oil change is necessary for over a year. However, your engine oil and filter must be changed at least once a
year and at this time the system must be reset. Your dealer has GM-trained service people who will perform this work using genuine GM parts and
reset the system. It is also important to check your oil regularly and keep it at the proper level.
If the system is ever reset accidentally, you must change your oil at 3,000 miles (5 000 km) since your last oil change. Remember to reset the oil life
system whenever the oil is changed.
How to Reset the Engine Oil Life System (From Owner's Manual)
The Engine Oil Life System calculates when to change your engine oil and filter based on vehicle use. Anytime your oil is changed, reset the system so
it can calculate when the next oil change is required. If a situation occurs where you change your oil prior to a CHANGE ENGINE OIL message being
turned on, reset the system.
To reset the CHANGE ENGINE OIL message, see "Engine Oil Life System" under DIC Operation and Displays for vehicles that have the DIC, or do
the following:
1. Turn the ignition key to RUN with the engine off.
2. Fully press and release the accelerator pedal slowly three times within five seconds.
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If the OIL LIFE RESET message flashes for 10 seconds, the system is resetting.
3. Turn the key to LOCK.
If the CHANGE ENGINE OIL message comes back on when you start your vehicle, the engine oil life system has not reset. Repeat the procedure. If it
still does not reset, see your dealer for service.
GM Oil Life System Resetting (From Service Manual)
When the system has calculated that oil life has been diminished, it will indicate that an oil change is necessary. A CHANGE ENGINE OIL SOON
message will come ON. Change the engine oil as soon as possible within the next 1 000 km (600 miles). It is possible that, if driving under the best
conditions, the oil life system may not indicate that an oil change is necessary for over a year. However, the engine oil and filter must be changed at
least once a year and at this time the system must be reset.
If the system is ever reset accidentally, change the engine oil at 5 000 km (3,000 miles) since last oil change.
How to Reset the Engine Oil Life System (From Service Manual)
1. Turn the ignition key to RUN with the engine OFF.
2. Fully press and release the accelerator pedal 3 times within 5 seconds. If the OIL LIFE RESET message flashes for 10 seconds, the system is
resetting.
3. Turn the key to LOCK.
If the CHANGE ENGINE OIL SOON message comes back on when you start the vehicle, the ENGINE OIL LIFE SYSTEM has not reset. Repeat the
procedure.
What to Do with Used Oil
Used engine oil contains certain elements that may be unhealthy for your skin and could even cause cancer. Do not let used oil stay on your skin for
very long. Clean your skin and nails with soap and water, or a good hand cleaner. Wash or properly dispose of clothing or rags containing used engine
oil. See the manufacturer's warnings about the use and disposal of oil products.
Used oil can be a threat to the environment. If you change your own oil, be sure to drain all the oil from the filter before disposal. Never dispose of oil
by putting it in the trash, pouring it on the ground, into sewers, or into streams or bodies of water. Instead, recycle it by taking it to a place that collects
