engine SATURN L-SERIES 2005 Owner's Manual

Page 121 of 330

Traction Control System (TCS)
Warning Light
The Traction Control
System (TCS) light will
come on when the system
is limiting wheel spin.
You may feel or hear the system working, but this is
normal. The roads may be slippery if this light comes on.
Adjust your driving accordingly.
The light will stay on for a few seconds after the system
stops limiting wheel spin. This light should also come
on for a few seconds when you start your vehicle.
If it does not, have your vehicle serviced.
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 when starting your vehicle.
If it doesn’t, have your vehicle serviced.
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Engine Coolant Temperature Gage
This gage measures the
temperature of the
vehicle’s engine. If the
indicator needle moves
into the shaded area,
the engine is too hot.
A temperature indicator
light will turn on and
a chime will sound.
If you have been operating your vehicle under normal
driving conditions, and the temperature indicator
light comes on, you should pull off the road, stop your
vehicle and turn off the engine as soon as possible.
Low Coolant Warning Light
This light comes on
briefly when you turn
your ignition on.
If this light comes on and stays on, the coolant level in
your vehicle is low. If the light is on along with an
overheat warning, you may have a serious overheating
problem. SeeEngine Coolant Temperature Gage on
page 3-30.
Notice:Driving with the low coolant warning light
on could cause your vehicle to overheat. See
“Engine Overheating” underEngine Coolant on
page 5-20. Your vehicle could be damaged and the
damages might not be covered by your warranty.
SeeEngine Coolant on page 5-20for information
on what to do. Your vehicle should be serviced as soon
as possible.
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Page 123 of 330

Malfunction Indicator Lamp
Service Engine Soon Light
Your vehicle is equipped
with a computer which
monitors operation of the
fuel, ignition, and emission
control systems.
This system is called OBD II (On-Board
Diagnostics-Second Generation) and is intended to
assure that emissions are at acceptable levels for the
life of the vehicle, helping to produce a cleaner
environment. The SERVICE ENGINE SOON light
comes on to indicate that there is a problem and service
is required. Malfunctions often will be indicated by the
system before any problem is apparent. This may
prevent more serious damage to your vehicle. This
system is also designed to assist your service technician
in correctly diagnosing any malfunction.
Notice:If you keep driving your vehicle with this
light on, after awhile, your emission controls may not
work as well, your fuel economy may not be as good,
and your engine may not run as smoothly. This could
lead to costly repairs that may not be covered by
your warranty.Notice:Modications made to the engine,
transaxle, exhaust, intake, or fuel system of your
vehicle or the replacement of the original tires with
other than those of the same Tire Performance
Criteria (TPC) can affect your vehicle’s emission
controls and may cause this light to come on.
Modications to these systems could lead to costly
repairs not covered by your warranty. This may
also result in a failure to pass a required Emission
Inspection/Maintenance test.
This light should come on, as a check to show you
it is working, when the ignition is on and the engine is
not running. If the light does not come on, have it
repaired. This light will also come on during a
malfunction in one of two ways:
•Light Flashing— A misfire condition has been
detected. A misfire increases vehicle emissions
and may damage the emission control system on
your vehicle. Diagnosis and service may be
required.
•Light On Steady— An emission control system
malfunction has been detected on your vehicle.
Diagnosis and service may be required.
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If the Light Is Flashing
The following may prevent more serious damage to
your vehicle:
•Reducing vehicle speed
•Avoiding hard accelerations
•Avoiding steep uphill grades
•If you are towing a trailer, reduce the amount of
cargo being hauled as soon as it is possible
If the light stops flashing and remains on steady, see
“If the Light Is On Steady” following.
If the light continues to flash, when it is safe to do so,
stop the vehicle. Find a safe place to park your
vehicle. Turn the key off, wait at least 10 seconds
and restart the engine. If the light remains on steady,
see “If the Light Is On Steady” following. If the light is
still flashing, follow the previous steps, and see
your retailer for service as soon as possible.
If the Light Is On Steady
You may be able to correct the emission system
malfunction by considering the following:
Did you recently put fuel into your vehicle?
If so, reinstall the fuel cap, making sure to fully install
the cap. SeeFilling Your Tank on page 5-8. The
diagnostic system can determine if the fuel cap has
been left off or improperly installed. A loose or missing
fuel cap will allow fuel to evaporate into the atmosphere.
A few driving trips with the cap properly installed
should turn the light off.
Did you just drive through a deep puddle of water?
If so, your electrical system may be wet. The condition
will usually be corrected when the electrical system
dries out. A few driving trips should turn the light off.
Have you recently changed brands of fuel?
If so, be sure to fuel your vehicle with quality fuel. See
Gasoline Octane on page 5-5. Poor fuel quality will
cause your engine not to run as efficiently as designed.
You may notice this as stalling after start-up, stalling
when you put the vehicle into gear, misfiring, hesitation
on acceleration, or stumbling on acceleration. (These
conditions may go away once the engine is warmed up.)
This will be detected by the system and cause the
light to turn on.
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If you experience one or more of these conditions,
change the fuel brand you use. It will require at least
one full tank of the proper fuel to turn the light off.
If none of the above steps have made the light turn off,
your retailer can check the vehicle. Your retailer has the
proper test equipment and diagnostic tools to fix any
mechanical or electrical problems that may have
developed.
Emissions Inspection and Maintenance
Programs
Some state/provincial and local governments have or
may begin programs to inspect the emission control
equipment on your vehicle. Failure to pass this
inspection could prevent you from getting a vehicle
registration.
Here are some things you need to know in order to help
your vehicle pass an inspection:
Your vehicle will not pass this inspection if the SERVICE
ENGINE SOON light is on or not working properly.
Your vehicle will not pass this inspection if the
OBD (on-board diagnostic) system determines that
critical emission control systems have not been
completely diagnosed by the system. The vehicle
would be considered not ready for inspection.This can happen if you have recently replaced your
battery or if your battery has run down. The diagnostic
system is designed to evaluate critical emission
control systems during normal driving. This may take
several days of routine driving. If you have done this and
your vehicle still does not pass the inspection for lack
of OBD system readiness, your retailer can prepare the
vehicle for inspection.
Oil Pressure Light
If you have a low engine
oil pressure problem,
this light will stay on after
you start your engine,
or come on when you are
driving. This indicates
that your engine is
not receiving enough oil.
The engine could be low on oil, or could have some
other oil problem. Have it fixed immediately.
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The oil light may also come on when the ignition is on
but the engine is not running, the light will come on as a
test to show you it is working, but the light will go out
when you turn the ignition to START. If it doesn’t come
on with the ignition on, you may have a problem with
the fuse or bulb. Have it fixed right away.
{CAUTION:
Do not keep driving if the oil pressure is low.
If you do, your engine can become so hot that
it catches re. You or others could be burned.
Check your oil as soon as possible and have
your vehicle serviced.
Notice:Lack of proper engine oil maintenance
may damage the engine. The repairs would not
be covered by your warranty. Always follow
the maintenance schedule in this manual for
changing engine oil.
Change Engine Oil Light
If this light comes on and
stays on, it means that
service is required for
your vehicle.
SeeScheduled Maintenance on page 6-4and/orEngine
Oil on page 5-13for more information.
Security Light
Your vehicle is equipped
with a Passlock®
theft-deterrent system.
With this system, the
security light will flash
as you open the door if
your ignition is off.
For more information, seePasslock
®on page 2-14.
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Reduced Engine Power Light
This light will come on
briefly when you start the
engine.
This light is displayed when a noticeable reduction in
the vehicle’s performance may occur. Stop the vehicle
and turn off the ignition. Wait for 10 seconds and restart
your vehicle. This may correct the condition.
The vehicle may be driven at a reduced speed when
the reduced engine power light is on but acceleration
and speed may be reduced. The performance may
be reduced until the next time you drive your vehicle.
If this light stays on, see your retailer as soon as
possible for diagnosis and repair.
Highbeam On Light
This light will illuminate
when the headlamp high
beams are in use.
SeeHeadlamp High/Low-Beam Changer on page 3-8.
Daytime Running Lamps (DRL)
Indicator Light
This light is located on the
instrument panel cluster.
It goes on whenever
the Daytime Running
Lamps are on.
SeeDaytime Running Lamps (DRL) on page 3-13for
further information.
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When the indicator nears empty, the low fuel light will
come on. You still have a little fuel left, but you
should get more soon. SeeLow Fuel Warning Light on
page 3-37for more information.
Here are four things that some owners ask about. None
of these show a problem with your fuel gage:
•At the service station, the fuel pump shuts off
before the gage reads full.
•It takes a little more or less fuel to fill up than the
gage indicated. For example, the gage may have
indicated the tank was half full, but it actually took a
little more or less than half the tank’s capacity to
fill the tank.
•The gage moves a little when you turn a corner or
speed up.
•The gage takes a few seconds to stabilize after the
ignition is turned on, and will go back to empty
when you turn the ignition off.
For your fuel tank capacity, seeCapacities and
Specications on page 5-89.
Low Fuel Warning Light
The light next to the fuel
gage will come on briefly
when you are starting
the engine.
This light also comes on when the fuel tank is low
on fuel. When you add fuel the light should go off.
If it doesn’t, have your vehicle serviced.
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Audio System(s)
Notice:Before adding any sound equipment to
your vehicle, like a tape player, CB radio, mobile
telephone, or two-way radio, make sure that it can
be added by checking with your retailer. Also,
check federal rules covering mobile radio and
telephone units. If sound equipment can be added,
it is very important to do it properly. Added
sound equipment may interfere with the operation
of your vehicle’s engine, radio, or other systems,
and even damage them. Your vehicle’s systems may
interfere with the operation of sound equipment
that has been added improperly.
Notice:Getting suntan lotion, hand lotion, or hand
cleaner on the radio, will soften the paint, and
the paint will eventually begin to peel. Repairs will
not be covered by your vehicle’s warranty. Try not to
get suntan lotion, hand lotion, or hand cleaner on
the radio. If you do, wipe the lotion or cleaner
off immediately.Figure out which audio system is in your vehicle, find
out what your audio system can do, and how to operate
all of its controls.
Setting the Time
Press and hold the RCL button and at the same time
press the HR arrow or the MIN arrow until the correct
hour and minute appear on the display. The time can be
set with the ignition on or off.
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Control of a Vehicle
You have three systems that make your vehicle go where
you want it to go. They are the brakes, the steering, and
the accelerator. All three systems have to do their work at
the places where the tires meet the road.
Sometimes, as when you are driving on snow or ice, it
is easy to ask more of those control systems than
the tires and road can provide. That means you can lose
control of your vehicle. SeeTraction Control System
(TCS) on page 4-9.
Braking
Braking action involves perception time and
reaction time.
First, you have to decide to push on the brake pedal.
That is perception time. Then you have to bring up
your foot and do it. That is reaction time.
Average reaction time is about three-fourths of a
second. But that is only an average. It might be less
with one driver and as long as two or three seconds or
more with another. Age, physical condition, alertness,
coordination and eyesight all play a part. So do alcohol,
drugs and frustration. But even in three-fourths of asecond, a vehicle moving at 60 mph (100 km/h) travels
66 feet (20 m). That could be a lot of distance in an
emergency, so keeping enough space between
your vehicle and others is important.
And, of course, actual stopping distances vary greatly
with the surface of the road (whether it is pavement
or gravel); the condition of the road (wet, dry, icy); tire
tread; the condition of your brakes; the weight of
the vehicle and the amount of brake force applied.
Avoid needless heavy braking. Some people drive in
spurts — heavy acceleration followed by heavy
braking — rather than keeping pace with traffic. This is a
mistake. Your brakes may not have time to cool between
hard stops. Your brakes will wear out much faster if you
do a lot of heavy braking. If you keep pace with the traffic
and allow realistic following distances, you will eliminate a
lot of unnecessary braking. That means better braking
and longer brake life.
If your engine ever stops while you are driving, brake
normally but do not pump your brakes. If you do,
the pedal may get harder to push down. If your engine
stops, you will still have some power brake assist.
But you will use it when you brake. Once the power
assist is used up, it may take longer to stop and
the brake pedal will be harder to push.
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