2009 CHEVROLET COBALT engine

Speedometer and Odometer
Your speedometer lets you see your speed in both
miles per hour (mph) and kilometers per hour (km/h).
Your vehicle’s odometer works together with the
driver information center. You can set a Trip A and
Trip B odometer. See “Trip Information” underDIC
Operation and Displays on page 3-40.
The odometer mileage can be checked without the
vehicle running. Simply open the driver’s door and the
mileage will be displayed briey.
If your vehicle ever needs a new odometer installed,
the new one will be set to the correct mileage total of the
old odometer.
Tachometer
The tachometer displays the engine speed in
revolutions per minute (rpm).
Notice:If you operate the engine with the
tachometer in the shaded warning area, your vehicle
could be damaged, and the damages would not
be covered by your warranty. Do not operate
the engine with the tachometer in the shaded
warning area.
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Safety Belt Reminders
Safety Belt Reminder Light
When the engine is started, a chime will come on for
several seconds to remind people to fasten their safety
belts, unless the driver’s safety belt is already buckled.
The safety belt light will also come
on and stay on for several seconds,
then it will ash for several more.
This chime and light is repeated if the driver remains
unbuckled and the vehicle is in motion. If the driver’s belt
is already buckled, neither the chime nor the light will
come on.
Passenger Safety Belt Reminder Light
If your vehicle has this light, several seconds after
the engine is started, a chime will sound for several
seconds to remind the front passenger to buckle
their safety belt. The passenger safety belt light will also
come on and stay on for several seconds, then it will
ash for several more.
This chime and light are repeated if
the passenger remains unbuckled
and the vehicle is in motion.
If the passenger’s safety belt is buckled, neither the
chime nor the light will come on.
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Airbag Readiness Light
There is an airbag readiness light on the instrument
panel cluster, which shows the airbag symbol.
The system checks the airbag’s electrical system for
malfunctions. The light tells you if there is an electrical
problem. The system check includes the airbag
sensor, the pretensioners, the airbag modules, the
wiring and the crash sensing and diagnostic module.
For more information on the airbag system, seeAirbag
System on page 1-53.
This light will come on
when you start your
vehicle, and it will ash for
a few seconds. The light
should go out and the
system is ready.
If the airbag readiness light stays on after you start the
vehicle or comes on when you are driving, your
airbag system may not work properly. Have your vehicle
serviced right away.{CAUTION:
If the airbag readiness light stays on after you
start your vehicle, it means the airbag system
may not be working properly. The airbags in
your vehicle may not inate in a crash, or they
could even inate without a crash. To help
avoid injury to yourself or others, have your
vehicle serviced right away if the airbag
readiness light stays on after you start your
vehicle.
The airbag readiness light should ash for a few
seconds when you start the engine. If the light does not
come on then, have it xed immediately. If there is a
problem with the airbag system, an airbag Driver
Information Center (DIC) message may also come on.
SeeDIC Warnings and Messages on page 3-43for
more information.
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Charging System Light
This light will come on
briey when you turn on
the ignition, and the engine
is not running, as a check
to show it is working.
Then it should go out when
the engine is started.
If the light stays on, or comes on while you are driving,
you may have a problem with the electrical charging
system. Have it checked by your dealer/retailer.
Driving while this light is on could drain your battery.
If you must drive a short distance with the light on,
be sure to turn off all accessories, such as the radio and
air conditioner.
Up-Shift Light
Your vehicle may have
an up-shift light.
When this light comes on, you should shift to the next
higher gear if weather, road, and traffic conditions
allow you to.
SeeManual Transmission Operation on page 2-30for
more information.
3-30

Brake System Warning Light
Your vehicle’s hydraulic brake system is divided into
two parts. If one part is not working, the other part can
still work and stop you. For good braking, though,
you need both parts working well.
If the warning light comes on, there is a brake problem.
Have your brake system inspected right away.
This light should come on briey when the engine is
started. If it does not come on then, have it xed so it
will be ready to warn you if there is a problem.When the ignition is on, the brake system warning light
will also come on when you set the parking brake.
The light will stay on if your parking brake does
not release fully. If it stays on after your parking brake is
fully released, it means you have a brake problem.
If the light comes on while you are driving, pull off the
road and stop carefully. Make sure the parking brake is
fully released. You may notice that the pedal is harder
to push or, the pedal may go closer to the oor.
It may take longer to stop. If the light is still on, have the
vehicle towed for service. SeeTowing Your Vehicle
on page 4-32.
{CAUTION:
Your brake system may not be working properly
if the brake system warning light is on. Driving
with the brake system warning light on can lead
to an accident. If the light is still on after you
have pulled off the road and stopped carefully,
have the vehicle towed for service. United StatesCanada
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Anti-lock Brake System (ABS)
Warning Light
For vehicles with the
Antilock Brake System
(ABS), this light comes on
briey when the engine
is started.
That is normal. If the light does not come on then, have it
xed so it will be ready to warn you if there is a problem.
If the ABS light stays on, turn the ignition off, if the light
comes on when you are driving, stop as soon as it
is safely possible and turn the ignition off. Then start the
engine again to reset the system. If the ABS light still
stays on, or comes on again while you are driving, your
vehicle needs service. If the regular brake system
warning light is not on, your vehicle still has brakes,
but not antilock brakes. If the regular brake system
warning light is also on, your vehicle does not have
antilock brakes and there is a problem with the regular
brakes. SeeBrake System Warning Light on
page 3-31.
For vehicles with a Driver Information Center (DIC),
seeDIC Warnings and Messages on page 3-43for all
brake related DIC messages.
Enhanced Traction System
Indicator/Warning Light
For vehicles with the
Enhanced Traction System
(ETS), this light will
serve as an indicator and
warning light.
This indicator/warning light should come on briey as
you start the engine.
If the indicator/warning light does not come on, have it
xed so it will be ready to warn you if there is a problem.
If the indicator/warning light is on and not ashing, the
ETS system may have been disabled. Check all related
Driver Information Center (DIC) messages to determine
whether the system has been turned off or if the system is
not working properly and your vehicle requires service. If
the ETS has been disabled, wheel spin will not be limited.
If the indicator/warning light is on and ashing, the ETS
is actively working. The LOW TRACTION DIC
message will also appear when the system is actively
limiting wheel spin.
SeeEnhanced Traction System (ETS) on page 4-9and
DIC Warnings and Messages on page 3-43for more
information.
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Electronic Stability Control (ESC)/
Traction Control System (TCS)
Indicator/Warning Light
This light is located in the
center of the instrument
panel cluster.
For vehicles that have the Electronic Stability Control
(ESC) system or the Traction Control System (TCS),
this indicator/warning light should come on briey when
the engine is started.
If the indicator/warning light does not come on then,
have it xed so it will be ready to warn you if there is a
problem. This light, along with the appropriate Driver
Information Center (DIC) messages, indicates when the
ESC system and the TCS are working or are disabled.If this light is on and not ashing, the TCS and
potentially the ESC system have been disabled.
Check your DIC messaging to determine which
feature(s) is no longer functioning and whether it is
because of the driver turning off the feature(s), or the
system may not be working properly and your vehicle
requires service. If the TCS is disabled, wheel spin
will not be limited. If the ESC system is disabled, the
system will not aid in maintaining vehicle directional
control. In either case, adjust your driving accordingly.
If the light is on and ashing, the TCS or the ESC
system is actively working. Check the DIC messaging
for details to determine which system is working.
If the LOW TRACTION message appears, the system
is limiting wheel spin. If the ESC ACTIVE message
appears, the system is aiding in maintaining vehicle
directional control.
SeeElectronic Stability Control (ESC) on page 4-10and
Traction Control System (TCS) on page 4-6for more
information.
SeeDIC Warnings and Messages on page 3-43for
more information on the messages associated with
this light.
3-33

Engine Coolant Temperature
Warning Light
The engine coolant
temperature warning light
will come on when the
engine has overheated.
If this happens you should pull over and turn off the
engine as soon as possible. SeeEngine Overheating on
page 5-23for more information.
Notice:Driving with the engine coolant temperature
warning light on could cause your vehicle to
overheat. SeeEngine Overheating on page 5-23.
Your vehicle could be damaged, and it might not be
covered by your warranty. Never drive with the
engine coolant temperature warning light on.
This light will also come on briey when starting your
vehicle. If it does not, have your vehicle serviced.
Tire Pressure Light
Your vehicle has a tire
pressure light.
This light comes on briey when the engine is started
and provides information about tire pressures and
the Tire Pressure Monitoring System.
When the Light is Solid
This indicates that one or more of your tires are
signicantly underinated.
A tire pressure message in the Driver Information
Center (DIC), may accompany the light. SeeDIC
Warnings and Messages on page 3-43for more
information. Stop and check your tires as soon as
it is safe to do so. If underinated, inate to the
proper pressure. SeeTires on page 5-49for more
information.
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