ECON (Economy)
Press the information button until ECON is
displayed. This mode shows how many miles per
gallon (mpg) or liters per 100 kilometers (L/100 km)
your vehicle is getting based on current and past
driving conditions.
Press and hold the reset button while ECON is
displayed to reset the average fuel economy.
Average fuel economy will then be calculated
starting from that point. If the average fuel economy
is not reset, it will be continually updated each time
you drive.
AV (Average) SPEED
Press the information button until AV SPEED is
displayed. This mode shows the vehicle’s average
speed in miles per hour (mph) or kilometers per
hour (km/h).
Press and hold the reset button while AV SPEED
is displayed to reset the average vehicle speed.
OIL LIFE
Press the information button until OIL LIFE is
displayed. The engine oil life system shows an
estimate of the oil’s remaining useful life. It will
show 100% when the system is reset after an oil
change. It will alert you to change your oil on a
schedule consistent with your driving conditions.
In addition to the engine oil life system monitoring
the oil life, additional maintenance is recommended
in the Maintenance Schedule in this manual.
SeeEngine Oil on page 279andScheduled
Maintenance on page 375.
Always reset the engine oil life system after an oil
change. See “How to Reset the Engine Oil Life
System” underEngine Oil Life System on
page 282.
COOLANT
Press the information button until COOLANT is
displayed. This mode shows the temperature of the
engine coolant in either degrees Fahrenheit (°F) or
degrees Celsius (°C).
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DIC Warnings and Messages
These messages appear if there is a problem
detected in one of your vehicle’s systems.
A message will clear when the vehicle’s condition
is no longer present. To acknowledge a message
and clear it from the display, press and hold
any of the DIC buttons. If the condition is still
present, the warning message will come back on
the next time the vehicle is turned off and back
on. With most messages, a warning chime sounds
when the message displays. Your vehicle may
have other warning messages.
AUTO (Automatic) LIGHTS OFF
This message displays if the automatic headlamp
system is disabled with the headlamp switch.
AUTO (Automatic) LIGHTS ON
This message displays if the automatic headlamp
system is enabled with the headlamp switch.
BRAKE FLUID
This message displays to inform the driver that the
brake uid level is low while the ignition is on.
The brake system warning light on the instrument
panel cluster also comes on. SeeBrake System
Warning Light on page 165for more information.
Have the brake system serviced by your dealer
as soon as possible.
CHANGE OIL SOON
This message displays when the life of the engine
oil has expired and it should be changed.
When you acknowledge the CHANGE OIL SOON
message by clearing it from the display, you still
must reset the engine oil life system separately.
SeeEngine Oil Life System on page 282and
Scheduled Maintenance on page 375for more
information.
CHECK GAS CAP
This message displays if the fuel cap has not been
fully tightened. Recheck the fuel cap to make sure
that it is on properly. A few driving trips with the cap
properly installed should turn the message off.
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When you go to your GM Goodwrench®dealer for
your service needs, you will know that GM-trained
and supported service technicians will perform
the work using genuine GM parts.
If you want to purchase service information,
seeService Publications Ordering Information
on page 410.
Owner Checks and Services on page 380tells 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 385andNormal
Maintenance Replacement Parts on page 387.
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 SOON message comes
on, it means that service is required for your
vehicle. 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 GM Goodwrench
®
dealer has GM-trained service technicians who will
perform this work using genuine GM parts and reset
the system.
375
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 282for information on the Engine Oil Life
System and resetting the system.
When the CHANGE OIL SOON 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 SOON 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
CHANGE OIL SOON message comes on
10 months or more since the last service or if the
message has not come on at all for one year.
376