2001 CADILLAC DEVILLE tires

Fuel
Checking Fluids and Lubricants
GM Oil Life System™
Engine Air Cleaner/Filter
Passenger Compartment Air Filter
Brakes
Bulb ReplacementWindshield Wiper Blade Replacement
Tires and Wheels
Appearance Care
Electrical System/Fuses and Circuit Breakers
Capacities and Specifications
Normal Maintenance Replacement Parts
Table of Contents (cont'd)
Maintenance Schedule Service and Appearance Care
Section
6
Scheduled Maintenance
Owner Checks and Services
Periodic Maintenance InspectionsRecommended Fluids and Lubricants
Maintenance Records
See separate Maintenance Schedule Booklet
iv

2-81
Vehicle Speed Limiter
This feature prevents your vehicle from exceeding
speeds that the tires are not rated for. When this
happens, the engine's fuel supply is shut off. When the
vehicle speed slows, the fuel supply will come on again.
Tachometer (Analog Cluster Only)
This gage indicates the
engine speed in revolutions
per minute (rpm).
NOTICE:
Do not operate the engine with the tachometer in
the red area or engine damage may occur.
Engine Speed Limiter
This feature prevents the engine from operating at too
many revolutions per minute (rpm). When the engine's
rpm are critically high, the fuel supply to the engine is
shut off. When the engine speed slows, the fuel supply
will come on again. This helps prevent damage to
the engine.

2-89
NOTICE:
Modifications 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 the SERVICE ENGINE SOON
or CHECK ENGINE light to come on.
Modifications 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 doesn't 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. Dealer or qualified service center diagnosis
and service may be required.

Light On Steady
-- An emission control system
malfunction has been detected on your vehicle.
Dealer or qualified service center diagnosis and
service may be required.

2-98
LF-RF-LR-RR TIRE (If Equipped): On vehicles
equipped with the Tire Pressure Monitor, this message
shows the tire pressure for each tire (left front, right
front, left rear and right rear). Pressing the INFO button
will scroll through the tire pressure for each of the
four tires, such as:

34 PSI LF TIRE OK or

234 kPa LF TIRE OK
If a tire pressure is below 24 PSI (165 kPa) or above
36 PSI (248 kPa), the message will appear as shown
above except it will show TIRE LOW or TIRE HIGH
as appropriate. If desired, the tire pressure information
can be programmed not to appear when using the
INFO button to scroll through the DIC displays.
See ªVehicle Programming and Personalization
Featuresº in the Index.
If a low or high tire pressure is detected by the system
while driving, a CHECK TIRE PRESSURE message
will appear in the display. If this occurs, press the
INFO button to scroll to the tire(s) with a low or high
pressure condition. See ªDriver Information Center
(DIC) Messagesº in the Index for more information.ENGINE OIL LIFE (Reset): Press the INFO button
to display ENGINE OIL LIFE, then press and hold the
INFO RESET button until 100% ENGINE OIL LIFE is
displayed. (This only needs to be reset after you have
had the oil changed.)
TRANSMISSION FLUID LIFE MONITOR: Under
normal conditions, the rate of deterioration of the
transmission fluid is slow. See the Maintenance
Schedule booklet for proper fluid and change intervals.
Press the INFO button to display TRANS FLUID LIFE,
then press and hold the INFO RESET button until
100% TRANS FLUID LIFE is displayed. (This only
needs to be reset after you have had the fluid changed.)
ENG/MET: Press this button to display information in
the English (miles) or metric (kilometers) system.

2-101
CHECK OIL LEVEL - 36: For correct operation of
the low oil sensing system, your vehicle should be on a
level surface. A false CHECK OIL LEVEL message
may appear if the vehicle is parked on a grade. The oil
level sensing system does not check for actual oil level
if the engine has been off for a short period of time,
and the oil level is never checked while the engine is
running. If the CHECK OIL LEVEL message appears,
and your vehicle has been parked on level ground with
the engine off for at least 30 minutes, the oil level
should be checked by observing the oil dipstick.
Prior to checking the oil level, be sure the engine has
been off for a few minutes and your vehicle is on a
level surface. Then check the dipstick and add oil if
necessary. See ªEngine Oilº in the Index.
CHECK TIRE PRESSURE
- 144: This message is
displayed when the Tire Pressure Monitor (TPM) system
detects a low or high tire pressure condition in one or
more of the road tires. By pressing the INFO button
up or down the DIC display will show which tire or tires
do not have the correct inflation pressure. A ªLOW TIREº condition exists when the tire's air
pressure is under 24 psi (165 kPa) and a ªHIGH TIREº
condition exists when the tire's air pressure is above
36 psi (248 kPa).
The system will display the air pressure, the tire location
(LF, RF, RR or LR) and if the air pressure is low or
high. The tire pressure information is available in
English or metric measurements. For example, a driver's
side front tire that is low may be shown as: 22 PSI LF
TIRE LOW.
The correct tire inflation pressure should be set to those
shown on the Tire Loading
-Information Label, located on
the rear edge of the driver's door. For more information
regarding proper tire inflation, see ªInflation
-- Tire
Pressureº in the Index. If a tire is low, you should stop
as soon as possible and inspect your tire(s) for damage.
If a tire is flat, see ªIf a Tire is Flatº in the Index.

2-106
SERVICE TPM SYSTEM - 51: When this message is
displayed, the Tire Pressure Monitor (TPM) system is
not working properly. See your dealer for service.
SERVICE TRANSMISSION
- 100: See your dealer
for repair.
SERVICE VEHICLE SOON
- 3: This message is
displayed when a non
-emissions related powertrain
malfunction occurs. Have your vehicle serviced by a
technician as soon as possible.
SPEED LIMITED TO 90
- 113: A failure in the
suspension control system has occurred when this
message appears. The Powertrain Control Module
(PCM) determines the speed to which your vehicle
is limited. Have your vehicle serviced if this
message appears.
STARTING DISABLED REMOVE KEY
- 33: This
message will appear when the Personalized Automotive
Security System (PASS
-Key
III) senses that an
improper ignition key is being used to try to start the
vehicle. Check the ignition key for damage. If it is
damaged, it may need to be replaced. If you see no
damage, remove the key and try to start the vehicle
again. If it still does not start, try another ignition key.THEFT ATTEMPTED
- 40: This message is
displayed if the theft system has detected a break
-in
attempt while you were away from your vehicle.
TOP SPEED FUEL CUT
-OFF - 111 : This message
will appear when the Powertrain Control Module (PCM)
senses that the maximum speed for your vehicle has
been reached. The speed of your vehicle will surge as
the fuel supply is cut off. This allows your vehicle to
stay in a safe tire operating range. The top speed is set
based on the top speed rating of the tires.
TRACTION ENGAGED
- 91: When your traction
control system is limiting wheel spin, the TRACTION
ENGAGED message will be displayed. Slippery road
conditions may exist if this message is displayed, so
adjust your driving accordingly. This message will stay
on for a few seconds after the traction control system
stops limiting wheel spin.
TRACTION OFF
- 89: This message will be displayed
after the traction control has been turned off by the
button on the center console.

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. Also see ªTraction Control Systemº
in the Index.
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.

4-11 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
SYS ENGAGED message on the Driver Information
Center. See ªStability Sys Engaged 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.
To help you steer in the direction you want to go,
during certain sharp or sudden cornering maneuvers,
gear selection is controlled. This will maximize the
available drive wheel torque and minimize the transaxle
response time and shift activity. During this kind of
maneuver, the transaxle shifts automatically as vehicle
speed changes.