2008 SATURN VUE HYBRID traction control

Your Driving, the Road, and Your Vehicle..........4-2
Driving Your Vehicle.......................................4-2
Driver Behavior..............................................4-2
Driving Environment........................................4-2
Vehicle Design...............................................4-3
Defensive Driving...........................................4-3
Drunk Driving.................................................4-4
Control of a Vehicle........................................4-5
Braking.........................................................4-5
Antilock Brake System (ABS)...........................4-6
Braking in Emergencies...................................4-6
Traction Control System (TCS).........................4-7
Electronic Stability Program..............................4-8
Steering........................................................4-9
Off-Road Recovery.......................................4-12
Passing.......................................................4-12Loss of Control.............................................4-12
Driving at Night............................................4-14
Driving in Rain and on Wet Roads..................4-14
Before Leaving on a Long Trip.......................4-16
Highway Hypnosis........................................4-16
Hill and Mountain Roads................................4-16
Winter Driving..............................................4-17
If Your Vehicle is Stuck in Sand, Mud,
Ice, or Snow.............................................4-21
Rocking Your Vehicle to Get It Out.................4-22
Loading Your Vehicle....................................4-22
Towing..........................................................4-28
Towing Your Vehicle.....................................4-28
Recreational Vehicle Towing...........................4-28
Towing a Trailer...........................................4-31
Section 4 Driving Your Vehicle
4-1
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Control of a Vehicle
The following three systems help to control your vehicle
while driving — brakes, steering, and accelerator. At
times, as when driving on snow or ice, it is easy to ask
more of those control systems than the tires and road can
provide. Meaning, you can lose control of your vehicle.
SeeTraction Control System (TCS) on page 4-7.
Adding non-dealer/non-retailer accessories can affect
your vehicle’s performance. SeeAccessories and
Modifications on page 5-3.
Braking
SeeBrake System Warning Light on page 3-32.
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
a second, 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, whether it is wet, dry,
or icy; tire tread; the condition of the 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. The brakes might not have time to cool
between hard stops. The 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 vehicle’s engine ever stops while you are driving,
brake normally but do not pump the brakes. If you do,
the pedal could get harder to push down. If the 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 can take longer to stop and the
brake pedal will be harder to push.
Adding non-dealer/non-retailer accessories can
affect your vehicle’s performance. SeeAccessories
and Modifications on page 5-3.
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Traction Control System (TCS)
Your vehicle has a Traction Control System (TCS)
that limits wheel spin. This is especially useful in
slippery road conditions. The system operates only
if it senses that one or both of the front wheels
are spinning or beginning to lose traction. When this
happens, the system reduces engine power to limit
wheel spin. You may feel or hear the system working,
but this is normal.
This light will ash
when your traction
control system is
limiting wheel spin.
The traction control system automatically comes
on whenever you start your vehicle. To limit wheel
spin, especially in slippery road conditions, you
should always leave the system on. But you can turn
the traction control system off if you ever need to.
You should turn the system off if your vehicle ever
gets stuck in sand, mud, ice or snow and rocking the
vehicle is required. SeeRocking Your Vehicle to Get
It Out on page 4-22andIf Your Vehicle is Stuck in Sand,
Mud, Ice, or Snow on page 4-21for more information.The TCS button
is located on the
instrument panel.
Press this button briey to turn off the TCS. The
TCS warning light will be displayed on the instrument
panel. The traction control system can be activated
again by pressing the traction control button.
If the system is limiting wheel spin when you press
the button, the system will not turn off until there is
no longer a current need to limit wheel spin. You can
turn the system back on at any time by pressing
the button again. If the TCS light does not come on,
you may not have traction control and your vehicle
should be serviced at a dealer/retailer.
Adding non-dealer/non-retailer accessories can affect
your vehicle’s performance. SeeAccessories and
Modifications on page 5-3for more information.
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Electronic Stability Program
Your vehicle has an Electronic Stability Program (ESP)
system which combines antilock brake, traction and
stability control systems and helps the driver maintain
directional control of the vehicle in most driving
conditions.
When you rst start your vehicle and begin to drive
away, the system performs several diagnostic checks
to ensure there are no problems. You may hear or
feel the system working. This is normal and does not
mean there is a problem with your vehicle.
This light is located
on the instrument
panel cluster.
It will ash when the ESP system is both on and
activated.If the system fails to turn on or activate, this light will
be on solid. When the light is on solid, the system
will not assist the driver maintain directional control
of the vehicle. Adjust your driving accordingly.
The Electronic Stability Program (ESP) system
automatically comes on whenever you start your vehicle.
To assist the driver with vehicle directional control,
especially in slippery road conditions, you should
always leave the system on. You can turn ESP off if
you ever need to.
The ESP/TCS button
is located on the
instrument panel.
The Traction Control System (TCS) can be turned off or
back on by pressing the ESP/TCS button. To disable
both ESP and TCS, press and hold the button until the
ESP/TCS warning light turns on solid.
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Steering Tips
It is important to take curves at a reasonable speed.
A lot of the “driver lost control” accidents mentioned
on the news happen on curves. Here is why:
Experienced driver or beginner, each of us is subject
to the same laws of physics when driving on curves.
The traction of the tires against the road surface makes
it possible for the vehicle to change its path when
you turn the front wheels. If there is no traction, inertia
will keep the vehicle going in the same direction.
If you have ever tried to steer a vehicle on wet ice,
you will understand this.
Traction in a curve depends on the condition of the
tires and the road surface, the angle at which the
curve is banked, and your speed. While in a curve,
speed is the one factor you can control.
Suppose you are steering through a sharp curve.
Then you suddenly accelerate. Both control
systems — steering and acceleration — have to
do their work where the tires meet the road.Adding the sudden acceleration can demand too
much of those places. You can lose control.
SeeTraction Control System (TCS) on page 4-7.
What should you do if this ever happens? Ease up on
the brake or accelerator pedal, steer the vehicle the
way you want it to go, and slow down.
Speed limit signs near curves warn that you should
adjust your speed. Of course, the posted speeds
are based on good weather and road conditions. Under
less favorable conditions you will want to go slower.
If you need to reduce speed when approaching a
curve, do it before you enter the curve, while the
front wheels are straight ahead.
Try to adjust the speed so you can drive through
the curve. Maintain a reasonable, steady speed.
Wait to accelerate until you are out of the curve,
and then accelerate gently into the straightaway.
Adding non-dealer/non-retailer accessories can affect
your vehicle’s performance. SeeAccessories and
Modifications on page 5-3.
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Skidding
In a skid, a driver can lose control of the vehicle.
Defensive drivers avoid most skids by taking reasonable
care suited to existing conditions, and by not overdriving
those conditions. But skids are always possible.
The three types of skids correspond to your vehicle’s
three control systems. In the braking skid, the wheels
are not rolling. In the steering or cornering skid,
too much speed or steering in a curve causes tires to
slip and lose cornering force. And in the acceleration
skid, too much throttle causes the driving wheels to spin.
A cornering skid is best handled by easing your foot
off the accelerator pedal.
Remember: Any traction control system helps avoid
only the acceleration skid. If your traction control
system is off, then an acceleration skid is also best
handled by easing your foot off the accelerator pedal.
If your vehicle starts to slide, ease your foot off the
accelerator pedal and quickly steer the way you want
the vehicle to go. If you start steering quickly enough,
your vehicle may straighten out. Always be ready
for a second skid if it occurs.Of course, traction is reduced when water, snow, ice,
gravel, or other material is on the road. For safety,
you will want to slow down and adjust your driving to
these conditions. It is important to slow down on slippery
surfaces because stopping distance will be longer
and vehicle control more limited.
While driving on a surface with reduced traction,
try your best to avoid sudden steering, acceleration,
or braking, including reducing vehicle speed by
shifting to a lower gear. Any sudden changes could
cause the tires to slide. You may not realize the
surface is slippery until your vehicle is skidding.
Learn to recognize warning clues — such as enough
water, ice, or packed snow on the road to make
a mirrored surface — and slow down when you
have any doubt.
Remember: Any Antilock Brake System (ABS)
helps avoid only the braking skid.
4-13
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Rocking Your Vehicle to Get It Out
First, turn the steering wheel left and right to clear
the area around the front wheels. Turn the traction
control system off. SeeTraction Control System (TCS)
on page 4-7. Then shift back and forth between
REVERSE (R) and a forward gear, spinning the wheels
as little as possible. To prevent transmission wear,
wait until the wheels stop spinning before shifting
gears. Release the accelerator pedal while you shift,
and press lightly on the accelerator pedal when
the transmission is in gear. By slowly spinning the
wheels in the forward and reverse directions, you will
cause a rocking motion that could free your vehicle.
If that does not get your vehicle out after a few tries,
it might need to be towed out. If your vehicle does
need to be towed out, seeTowing Your Vehicle
on page 4-28.
Loading Your Vehicle
It is very important to know how much weight your
vehicle can carry. This weight is called the vehicle
capacity weight and includes the weight of all
occupants, cargo, and all nonfactory-installed
options. Two labels on your vehicle show how much
weight it may properly carry, the Tire and Loading
Information label and the Certication/Tire label.
{CAUTION:
Do not load the vehicle any heavier than
the Gross Vehicle Weight Rating (GVWR),
or either the maximum front or rear
Gross Axle Weight Rating (GAWR). If you
do, parts on the vehicle can break, and it
can change the way your vehicle handles.
These could cause you to lose control
and crash. Also, overloading can shorten
the life of the vehicle.
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Service
For service and parts needs, visit your dealer/retailer.
You will receive genuine Saturn parts and Saturn-trained
and supported service people.
Genuine Saturn parts have one of these marks.
Accessories and Modications
When non-dealer/non-retailer accessories are added to
your vehicle they can affect your vehicle’s performance
and safety, including such things as, airbags, braking,
stability, ride and handling, emissions systems,
aerodynamics, durability, and electronic systems like
antilock brakes, traction control and stability control.
Some of these accessories could even cause
malfunction or damage not covered by warranty.
GM Accessories are designed to complement and
function with other systems on your vehicle. Your GM
dealer/retailer can accessorize your vehicle using
genuine GM Accessories. When you go to your GM
dealer/retailer and ask for GM Accessories, you
will know that GM-trained and supported service
technicians will perform the work using genuine
GM Accessories.
Also, seeAdding Equipment to Your Airbag-Equipped
Vehicle on page 1-68.
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