2005 PONTIAC GRAND PRIX warning

TRACTION CONTROL ACTIVE
This symbol comes on with
the TRACTION CONTROL
ACTIVE message.
If the vehicle has the traction control system, this
message will appear when the system is on. TRACTION
CONTROL ACTIVE will also appear in the Head-Up
Display (HUD), if equipped.
This message only displays while the ignition is in RUN
and will not disappear until driving conditions change
and the traction control is no longer active.
This message cannot be acknowledged or cleared from
the screen.
TRACTION CONTROL OFF
This symbol comes on with
the TRACTION CONTROL
OFF message.
If the vehicle has the traction control system, this
message will appear when the traction control system
turns off. TRACTION CONTROL OFF will also appear in
the Head-Up Display (HUD), if equipped. This message
will only display while the ignition is in RUN and will
disappear after three seconds. A chime will sound once
and the message will stay on for three seconds and
then disappear. A warning light indicating that this
system is deactivated will also appear on the instrument
panel cluster. SeeTraction Control System (TCS)
Warning Light on page 3-42orEnhanced Traction
System Warning Light on page 3-42.
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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 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 (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.
Anti-Lock Brake System (ABS)
Your vehicle may have anti-lock brakes. ABS is an
advanced electronic braking system that will help
prevent a braking skid.
If your vehicle has anti-lock
brakes, this warning light
on the instrument panel will
come on briey when
you start your vehicle.
4-6

ETS operates in all transaxle shift lever positions. But
the system can upshift the transaxle only as high as the
chosen shift lever position, so use the lower gears
only when necessary. SeeAutomatic Transaxle
Operation on page 2-25.
This warning light appears
on the instrument panel to
indicate that the ETS is
not on.
This symbol, along with
the message TRACTION
CONTROL OFF will
display on the DIC for
three seconds when the
ETS is not on.
If there is a problem with the system, the service
traction system will also come on in the DIC. See
Enhanced Traction System Warning Light on page 3-42.
When this warning light is on, the system will not limit
wheel spin. Adjust driving accordingly.To limit wheel spin, especially in slippery road
conditions, the ETS should always be left on. But the
system can be turned off. The system should be turned
off if the vehicle ever gets stuck in sand, mud, or
snow and rocking the vehicle is required. SeeRocking
Your Vehicle to Get It Out on page 4-33andIf You
Are Stuck: In Sand, Mud, Ice or Snow on page 4-32for
more information.
Press the traction
control button located
on the console to turn
the system off.
If the system is limiting wheel spin when the button is
pressed, the system will turn off instantly. Press the
traction control button again to turn the system on.
4-11

StabiliTrak®Plus System
The vehicle may have a vehicle stability enhancement
system called StabiliTrak®Plus. It is an advanced
computer controlled system that assists with directional
control of the vehicle in difficult driving conditions.
StabiliTrak
®Plus comes on whenever the vehicle is
started. It activates when the computer senses a
discrepancy between the intended path and the direction
the vehicle is actually traveling. StabiliTrak
®Plus
selectively applies braking pressure at any one of the
vehicle’s brakes to help control the vehicle in the
steering direction.
This symbol, along with
the STABILITY CONTROL
ACTIVE message comes
on the Driver Information
Center (DIC).
SeeDIC Warnings and Messages on page 3-69. You
may also hear a noise or feel vibration in the brake
pedal. This is normal. Continue to steer the vehicle in
the desired direction.If there is a problem
detected with StabiliTrak
®
Plus, this symbol along
with the SERVICE
STABILITY SYSTEM
warning message
will come on the DIC.
SeeDIC Warnings and Messages on page 3-69. When
this message is displayed, the system is not operational.
Driving should be adjusted accordingly.
To turn the StabiliTrak
®system off, press and hold
the traction control button for more than ve seconds.
A message will appear on the DIC indicating that
StabiliTrak
®has been turned off. You can turn the system
back on at any time by pressing the button again.
If the vehicle is in cruise control when StabiliTrak
®Plus
activates, the cruise control will automatically disengage.
When road conditions allow safe use of it, the cruise
control can be used again. SeeCruise Control on
page 3-10for more information.
4-12

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, your 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.
If you do not have the Enhanced Traction System or the
Traction Control System, or if the 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 engine braking 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.
If you have the anti-lock braking system, remember: It
helps avoid only the braking skid. If you do not have
anti-lock, then in a braking skid, where the wheels are
no longer rolling, release enough pressure on the brakes
to get the wheels rolling again. This restores steering
control. Push the brake pedal down steadily when
you have to stop suddenly. As long as the wheels are
rolling, you will have steering control.
4-17

Hydroplaning usually happens at higher speeds. There
just is not a hard and fast rule about hydroplaning.
The best advice is to slow down when it is raining.
Driving Through Deep Standing Water
Notice:If you drive too quickly through deep
puddles or standing water, water can come in
through your engine’s air intake and badly damage
your engine. Never drive through water that is
slightly lower than the underbody of your vehicle.
If you cannot avoid deep puddles or standing water,
drive through them very slowly.
Driving Through Flowing Water
{CAUTION:
Flowing or rushing water creates strong forces.
If you try to drive through owing water, as you
might at a low water crossing, your vehicle can
be carried away. As little as six inches of
owing water can carry away a smaller vehicle.
If this happens, you and other vehicle
occupants could drown. Do not ignore police
warning signs, and otherwise be very cautious
about trying to drive through owing water.
Some Other Rainy Weather Tips
Besides slowing down, allow some extra following
distance. And be especially careful when you
pass another vehicle. Allow yourself more clear
room ahead, and be prepared to have your
view restricted by road spray.
Have good tires with proper tread depth. SeeTires
on page 5-58.
4-21

City Driving
One of the biggest problems with city streets is the
amount of traffic on them. You will want to watch out for
what the other drivers are doing and pay attention to
traffic signals.Here are ways to increase your safety in city driving:
Know the best way to get to where you are
going. Get a city map and plan your trip into
an unknown part of the city just as you would for
a cross-country trip.
Try to use the freeways that rim and crisscross
most large cities. You will save time and energy.
SeeFreeway Driving on page 4-23.
Treat a green light as a warning signal. A traffic
light is there because the corner is busy enough
to need it. When a light turns green, and just before
you start to move, check both ways for vehicles
that have not cleared the intersection or may
be running the red light.
4-22

Winter Driving
Here are some tips for winter driving:
Have your vehicle in good shape for winter.
You may want to put winter emergency supplies
in your trunk.
Also seeTires on page 5-58.Include an ice scraper, a small brush or broom, a
supply of windshield washer uid, a rag, some winter
outer clothing, a small shovel, a ashlight, a red
cloth, and a couple of reective warning triangles. And,
if you will be driving under severe conditions, include
a small bag of sand, a piece of old carpet, or a couple of
burlap bags to help provide traction. Be sure you
properly secure these items in your vehicle.
4-28