reset CHEVROLET COLORADO 2007 1.G Owner's Manual

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240

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 provide
easier cold starting and better protection for
the engine at extremely low temperatures.
Engine Oil Additives
Do not add anything to the oil. The recommended
oils with the starburst symbol that meet
GM Standard GM6094M are all you need for
good performance and engine protection.
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 lter.
This is based on engine revolutions and engine
temperature, and not on mileage. Based on driving
conditions, the mileage at which an oil changewill 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 OIL message will
come on. SeeDIC Warnings and Messages on
page 202. Change the 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 might not indicate that an
oil change is necessary for over a year. However,
the engine oil and lter must be changed at
least once a year and at this time the system must
be reset. Your dealer/retailer has trained people
who will perform this work using genuine parts and
reset the system. It is also important to check
the oil regularly and keep it at the proper level.
If the system is ever reset accidentally, you must
change the 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.
336

How to Reset the Engine Oil Life
System
The Engine Oil Life System calculates when to
change the engine oil and lter based on vehicle
use. Whenever the oil is changed, reset the
system so it can calculate when the next oil
change is required. If a situation occurs where you
change the oil prior to a CHANGE OIL message
being turned on, reset the system.
To reset the Engine Oil Life system:
1. With the engine off, turn the ignition to ON.
2. Press and release the stem in the lower center
of the instrument cluster until the OIL LIFE
message is displayed.
3. Once the alternating OIL LIFE and RESET
messages appear, press and hold the stem
until several beeps sound. This conrms
that the oil life system has been reset.
4. Turn the key to LOCK.
If the CHANGE OIL message comes back on
when you start your vehicle, the engine oil
life system has not reset. Repeat the procedure.
SeeDIC Warnings and Messages on page 202.
What to Do with Used Oil
Used engine oil contains certain elements
that can 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 lter 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 used oil. If you have
a problem properly disposing of used oil, ask
your dealer/retailer, a service station, or a local
recycling center for help.
337

{CAUTION:
Rust or dirt on a wheel, or on the parts to
which it is fastened, can make wheel nuts
become loose after time. The wheel could
come off and cause an accident. When
you change a wheel, remove any rust or
dirt from places where the wheel attaches
to the vehicle. In an emergency, you can
use a cloth or a paper towel to do this;
but be sure to use a scraper or wire brush
later, if needed, to get all the rust or dirt
off. SeeChanging a Flat Tire on page 400.
Any time you rotate the vehicle’s tires the Tire
Pressure Monitor System (TPMS) will need to be
reset. The TPMS identication codes will need
to be matched to the tire and wheel position.
See “TPMS Sensor Identication Codes” under
Tire Pressure Monitor System on page 385.
When It Is Time for New Tires
One way to tell when it is
time for new tires is to
check the treadwear
indicators, which will
appear when your tires
have only 1/16 inch
(1.6 mm) or less of
tread remaining.
Some commercial truck
tires may not have
treadwear indicators.
You need a new tire if any of the following
statements are true:
You can see the indicators at three or more
places around the tire.
You can see cord or fabric showing through
the tire’s rubber.
The tread or sidewall is cracked, cut or
snagged deep enough to show cord or fabric.
The tire has a bump, bulge, or split.
The tire has a puncture, cut, or other damage
that cannot be repaired well because of the
size or location of the damage.
391

If you want to purchase service information,
seeService Publications Ordering Information
on page 476.
Owner Checks and Services on page 447tells
you what should be checked, when to check it,
and what you can easily do to help keep your
vehicle in good condition.
The proper replacement parts, uids, and
lubricants to use are listed inRecommended
Fluids and Lubricants on page 452andNormal
Maintenance Replacement Parts on page 454.
When your vehicle is serviced, make sure these
are used. All parts should be replaced and all
necessary repairs done before you or anyone
else drives the vehicle. We recommend the
use of genuine GM parts.Scheduled Maintenance
When the CHANGE OIL message comes on, it
means that service is required for your vehicle.
SeeDIC Warnings and Messages on page 202.
Have your vehicle serviced 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 engine oil life system may not indicate
that vehicle service is necessary for over a year.
However, your engine oil and lter must be
changed at least once a year and at this time
the system must be reset. Your dealer/retailer has
trained service technicians who will perform this
work using genuine parts and reset the system.
If the engine oil life system is ever reset
accidentally, you must service your vehicle within
3,000 miles (5 000 km) since your last service.
Remember to reset the oil life system whenever
the oil is changed. SeeEngine Oil Life System
on page 336for information on the Engine Oil
Life System and resetting the system.
442

When the CHANGE OIL message appears,
certain services, checks, and inspections are
required. Required services are described in the
following for “MaintenanceI” and “MaintenanceII.”
Generally, it is recommended that your rst
service be MaintenanceI, your second service
be MaintenanceII, and that you alternate
MaintenanceIand MaintenanceIIthereafter.
However, in some cases, MaintenanceIImay
be required more often.MaintenanceI— Use MaintenanceIif the
CHANGE OIL message comes on within
10 months since the vehicle was purchased
or MaintenanceIIwas performed.
MaintenanceII— Use MaintenanceIIif the
previous service performed was MaintenanceI.
Always use MaintenanceIIwhenever the
message comes on 10 months or more since
the last service or if the message has not
come on at all for one year.
Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and lter. SeeEngine Oil on page 333. Reset oil life system.
SeeEngine Oil Life System on page 336.An Emission Control Service.••
Visually check for any leaks or damage.See footnote (g).••
Inspect engine air cleaner lter. If necessary, replace lter. SeeEngine
Air Cleaner/Filter on page 338.See footnote (j).•
Rotate tires and check ination pressures and wear. SeeTire Inspection
and Rotation on page 390and “Tire Wear Inspection” inAt Least Once
a Month on page 448.••
Inspect brake system.See footnote (a).••
Check engine coolant and windshield washer uid levels and add uid
as needed.••
443