2003 PONTIAC GRAND PRIX warning light

And, of course, actual stopping distances vary greatly
with the surface of the road (whether it’s 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’re driving, brake
normally but don’t 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 briefly when
you start your vehicle.
When you start your engine, or when you begin to
drive away, your anti-lock brake system will check itself.
You may hear a momentary motor or clicking noise
while this test is going on, and you may even notice that
your brake pedal moves or pulses a little.
This is normal.
4-7

Traction Control System (TCS)
If your vehicle has the 3800 supercharged V6 engine it
has a traction control system 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 works the front
brakes and reduces engine power to limit wheel spin.
LOW
TRAC
This light will come on
when your traction control
system is limiting wheel
spin. See Traction Control
System (TCS) Warning
Light on page 3-29.
You may feel or hear the system working, but this
is normal.
If your vehicle is in cruise control when the traction
control system begins to limit wheel spin, the cruise
control will automatically disengage. When road
conditions allow you to safely use it again, you may
reengage the cruise control. See “Cruise Control” under
Turn SignaVMultifunction Lever on page 3-5.
TCS
OFF
This light should come on
briefly when you start the
engine.
If it stays on or
comes on while you
are driving, there is a
problem with your traction
control system.
See Traction Control System (TCS) Warning Light on
page 3-29. When this warning light
is on, the system will
not limit wheel spin. Adjust your driving accordingly.
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 or snow and rocking the vehicle is
required. See “Rocking Your Vehicle to Get It Out”
under
If You Are Stuck: In Sand, Mud, Ice or Snow
on page
4-32.
4-1 0

1 press the button located
To
turn the system
off,
on the instrument
panel DIC (Driver’s
Information Center) or
Trip Computer,
if equipped.
The traction control system warning light will come on
and stay on. If the system is limiting wheel spin
when you press the button, the warning light will come
on and the system will turn
off instantly.
You can turn the system back on at any time by
pressing the button again. The traction control system
warning light should go
off.
Enhanced Traction System (ETS)
If your vehicle has the 3100 V6 or 3800 V6 engine and
anti-lock brakes, your vehicle may have an Enhanced
Traction System (ETS) 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 and may also upshift the transaxle to limit
wheel spin.
LOW
TRAC
This light will come on
when your Enhanced
Traction System is limiting
wheel spin. See
Enhanced Traction System
Warning Light
on
page 3-29.
If your vehicle is in cruise control when the enhanced
traction system begins to limit wheel spin, the cruise
control will automatically disengage. When road conditions allow you to safely use
it again, you may
re-engage the cruise control. See ‘Cruise Control’’ under
Turn Signal/Multifunction Lever
on page 3-5.
4-1 1

The Enhanced Traction System operates in all transaxle
shift lever positions. But the system can upshift the
transaxle only as high as the shift lever position you’ve
chosen,
so you should use the lower gears only
when necessary. See Automatic Transaxle Operation
on page
2-24.
TRAC
OFF
This TRAC OFF
warning light will come
on to let you know
if
there’s a problem.
See Enhanced Traction System Warning Light on
page
3-30. When this warning light is on, the system will
not limit wheel spin. Adjust your driving accordingly.
To limit wheel spin, especially in slippery road
conditions, you should always leave the Enhanced
Traction System on. But you can turn the system
off if
you ever need to. You should turn the system off if your
vehicle ever gets stuck in sand, mud or snow and
rocking the vehicle is required. See “Rocking Your
Vehicle To Get It Out” under If
You Are Stuck: In Sand,
Mud, Ice or Snow on page 4-32.
To turn the system on or
off, press the TCS button
on the far right end of
the Driver Information
Center (DIG) or the
trip computer
(if equipped).
When you turn the system
off, the Enhanced Traction
System warning light will come on and stay on.
If the Enhanced Traction System is limiting wheel spin
when you press the button to turn the system
off,
the warning light will come on and the system will turn
off right away.
You can turn the system back on at any time by
pressing the button again. The Enhanced Traction
System warning light should go
off.
4-1 2

Hydroplaning doesn’t happen often. But it can if your Driving Through Flowing Water
tires do not have much tread or if the pressure in one or
more is low. It can happen
if a lot of water is standing
on the road.
If you can see reflections from trees,
ieiephone poles or other vehicles, and raindrops
“dimple” the water’s surface, there could be
hydroplaning.
Hydroplaning usually happens at higher speeds. There
just isn’t 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 can’t avoid deep puddles or standing
water, drive through them very slowly. Flowing or rushi
-. water
cr tes lg forces.
If you try to drive through flowing water, as you
might at a low water crossing, your vehicle can
be carried away.
As little as six inches of
flowing water can carry away a smaller vehicle.
If
this happens, you and other vehicle
occupants could drown. Don’t ignore police
warning signs, and otherwise be very cautious about trying to drive through flowing 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.
See
Tires on page 5-68.
4-2 1

City Driving One of the biggest problems with city streets is the
amount of traffic on them. You’ll 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’ll save time and energy.
See the next part, “Freeway Driving.”
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. Include
an ice scraper, a small brush or broom, a
supply of windshield washer fluid, a rag, some winter
outer clothing, a small shovel, a flashlight,
a red
cloth and a couple of reflective 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.
4-27

Turn Signals When Towing a Trailer
When you tow a trailer, your vehicle may need a
different turn signal flasher and/or extra wiring. Check
with your dealer. The arrows on your instrument
panel will flash whenever you signal a turn or lane
change. Properly hooked up, the trailer lamps will also
flash, telling other drivers you’re about to turn,
change lanes or stop.
When towing a trailer, the arrows on your instrument
panel will flash for turns even
if the bulbs on the trailer
are burned out. Thus, you may think drivers behind
you are seeing your signal when they are not. It’s
important to check occasionally to be sure the trailer
bulbs are still working.
Your vehicle has bulb warning lights. When you plug a
trailer lighting system into your vehicle’s lighting
system, its bulb warning lights may not let you know
if
one of your lamps goes out. So, when you have a trailer
lighting system plugged in, be sure to check your
vehicle and trailer lamps from time to time to be sure
they’re all working. Once you disconnect the trailer
lamps, the bulb warning lights again can tell you
if one
of your vehicle lamps is out.
Driving On Grades
Reduce speed and shift to a lower gear before you start
down a long or steep downgrade.
If you don’t shift
down, you might have to use your brakes
so much that
they would get hot and no longer work well.
On a long uphill grade, shift down and reduce your
speed to around
45 mph (70 km/h) to reduce the
possibility of engine and transaxle overheating.
If you have overdrive, you may have to drive in
THIRD (3) instead of AUTOMATIC OVERDRIVE (D).
Parking on Hills
1 -J really should not ,,rk yo^, wG,kle, with a
trailer attached, on a hill.
If something goes
wrong, your rig could start to move. People
can be injured, and both your vehicle and the
trailer can be damaged.
4-42