2002 CADILLAC ESCALADE Owners Manual

4-6
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're driving on snow or ice, it's
easy to ask more of those control systems than the tires
and road can provide. That means you can lose control
of your vehicle.
Braking
Braking action involves perception time and
reaction time.
First, you have to decide to push on the brake pedal.
That's perception time. Then you have to bring up
your foot and do it. That's reaction time.
Average reaction time is about 3/4 of a second.
But that's 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 3/4 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'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.

4-7
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 has anti-lock brakes (ABS). ABS is an
advanced electronic braking system that will help
prevent a braking skid.
When you start your engine and 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. This is normal.
If there's a problem with the
anti
-lock brake system, this
warning light will stay on.
See ªAnti
-Lock Brake
System Warning Lightº in
the Index.

4-8
Here's how anti-lock works. Let's say the road is wet.
You're driving safely. Suddenly an animal jumps out in
front of you.
You slam on the brakes and continue braking.
Here's what happens with ABS.
A computer senses that wheels are slowing down. If one
of the wheels is about to stop rolling, the computer will
separately work the brakes at each front wheel and at
both rear wheels.The anti
-lock system can change the brake pressure
faster than any driver could. The computer is
programmed to make the most of available tire and road
conditions. This can help you steer around the obstacle
while braking hard.
As you brake, your computer keeps receiving updates on
wheel speed and controls braking pressure accordingly.

4-9
Remember: Anti-lock doesn't change the time you need
to get your foot up to the brake pedal or always decrease
stopping distance. If you get too close to the vehicle in
front of you, you won't have time to apply your brakes
if that vehicle suddenly slows or stops. Always leave
enough room up ahead to stop, even though you have
anti
-lock brakes.
Using Anti
-Lock
Don't pump the brakes. Just hold the brake pedal down
firmly and let anti
-lock work for you. You may feel the
brakes vibrate, or you may notice some noise, but this
is normal.
Braking in Emergencies
With anti-lock, you can steer and brake at the same
time. In many emergencies, steering can help you more
than even the very best braking.
Traction Control System (TCS)
(2
-Wheel Drive)
Your vehicle may have 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 rear wheels are spinning or
beginning to lose traction. When this happens, the
system reduces engine power to limit wheel spin.
This light will come on
when the TCS is limiting
wheel spin. See ªLow
Traction Lightº in the
Index. You may hear or
feel the system working or
notice a lack of accelerator
response, but this is normal.
The Traction Control System may operate on dry roads
under some conditions. When this happens, you may
notice a reduction in acceleration. This is normal and
doesn't mean there's a problem with your vehicle.
Examples of these conditions include a hard acceleration
in a turn, an abrupt upshift or downshift of the
transmission or driving on rough roads.

4-10
If your vehicle is in cruise control when the TCS 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 ªCruise Controlº in the Index.
When the TRAC OFF
light is on, the TCS is
off and will not limit
wheel spin. Adjust your
driving accordingly.
The TRAC OFF light will come on under the
following conditions:

The Traction Control System is turned off, either by
pressing the TCS on/off button or turning off the
automatic engagement feature of the TCS.

The transmission is in FIRST (1); TCS will not
operate in this gear. This is normal.
The vehicle is driven on an extremely rough road.
When the vehicle leaves the rough surface, slows
down or stops, the light will go off and TCS will be
on again. This is normal.

A Traction Control System, Anti
-Lock Brake
System or engine
-related problem has been detected
and the vehicle needs service.
See ªTraction Off Lightº in the Index.
The Traction Control System, as delivered from the
factory, will automatically come 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 TCS off if you ever need to.
You should turn the TCS off if your vehicle ever gets
stuck in sand, mud or snow and rocking the vehicle is
required. See ªRocking Your Vehicleº in the Index.
To turn the system on or
off press the TCS on/off
button located to the right
of the steering wheel,
on the instrument panel.

4-11
If you used the button to turn the system off, the TRAC
OFF light will come on and stay on. You can turn the
system back on at any time by pressing the button again.
The TRAC OFF light should go off.
If desired, you can change the TCS automatic
engagement feature so that the system will not come
on automatically when the engine is started. To do so:
1. Park the vehicle with the ignition off and the
transmission in PARK (P).
2. Turn the ignition to RUN; do not start the engine.
3. Apply the brake pedal, press the accelerator pedal to
the floor and then press the TCS on/off button and
hold it down for at least six seconds.
4. Release the TCS button and both pedals.
5. Turn off the ignition and wait a few seconds.
The next time you start your vehicle, the TCS will not
automatically come on. You can restore the automatic
feature by using the same procedure. Whether the
TCS is set to come on automatically or not, you can
always turn the system on or off by pressing the TCS
on/off button.Stabilitrak
System
(All
-Wheel Drive)
Your vehicle may have the Stabilitrak system, which
helps the driver maintain directional control of the
vehicle in difficult driving conditions. This is
accomplished by selectively applying either of the
vehicle's front brakes and/or momentarily reducing
engine power.
When you first start your vehicle and begin to drive
away, the Stabilitrak system performs several diagnostic
checks to insure that there are no problems. The green
light near the Stabilitrak switch will turn on when the
diagnostic checks are complete and the stability
enhancement system is ready to activate if needed.
The light will come on only after the vehicle reaches a
speed of at least 10 mph.
The STABILITY SYSTEM ACTIVE message will
come on when the system is operating. See ªMessage
Centerº in the Index for more information. You may
also feel or hear the system working. This is normal.

4-12
If your vehicle is in cruise control when the STABILITY
SYSTEM ACTIVE message appears, the cruise control
will automatically disengage. When road conditions
allow you to safely use it again, you may reengage the
cruise control. See ªCruise Controlº in the Index.
The Stabilitrak button,
located to the right
steering wheel, on the
instrument panel can
be pressed to put the
Stabilitrak system in
LIMITED mode.
The Stabilitrak system automatically comes on
whenever you start your vehicle. When the switch is
pressed, the STABILITY SYSTEM LIMITED message
is displayed in the message center. While in LIMITED
mode, traction control is disabled and the stabilitysystem is less likely to activate. The stability system can
still activate in LIMITED mode if the vehicle starts to
spin, but it will not activate as quickly as when the
system is not in LIMITED mode. You should put
Stabilitrak in the LIMITED mode if your vehicle is
stuck in sand, mud, ice or snow and you want to ªrockº
your vehicle to attempt to free it. See ªRocking Your
Vehicleº in the Index.
Steering
Power Steering
If you lose power steering assist because the engine
stops or the system is not functioning, you can steer
but it will take much more effort.
Speed
-Sensitive Steering
This system varies the amount of steering effort
proportionate to your vehicle speed. Steering is easier
at lower speeds for maneuvering and parking ease.
As your vehicle speed increases, the steering effort also
increases. At highway speeds, the amount of steering
effort is increased.

4-13 Steering Tips
Driving on Curves
It's important to take curves at a reasonable speed.
A lot of the ªdriver lost controlº accidents mentioned
on the news happen on curves. Here's 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's no traction, inertia will keep
the vehicle going in the same direction. If you've ever
tried to steer a vehicle on wet ice, you'll understand this.
The traction you can get in a curve depends on the
condition of your tires and the road surface, the angle at
which the curve is banked, and your speed. While you're
in a curve, speed is the one factor you can control.
Suppose you're 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. Refer to
ªTraction Control Systemº in the Index.What should you do if this ever happens? Ease up on
the accelerator pedal, steer the vehicle the way you want
it to go, and slow down.
If you have Stabilitrak

, you may see the STABILITY
SYSTEM ACTIVE message on the message center.
See ªSTABILITY SYSTEM ACTIVE Messageº in
the Index.
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'll want to go slower.
If you need to reduce your speed as you approach a
curve, do it before you enter the curve, while your
front wheels are straight ahead.
Try to adjust your speed so you can ªdriveº 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.