1999 CADILLAC SEVILLE brake sensor

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1-26
Your vehicle has a feature that will automatically unlock
the doors and turn the interior lamps on when the frontal
air bags inflate (if battery power is available). You can
lock the doors again and turn the interior lamps off by
using the door lock and interior lamp controls.
In many crashes severe enough to inflate an air bag,
windshields are broken by vehicle deformation.
Additional windshield breakage may also occur from the
right front passenger air bag.

Air bags are designed to inflate only once. After an
air bag inflates, you'll need some new parts for your
air bag system. If you don't get them, the air bag
system won't be there to help protect you in another
crash. A new system will include air bag modules
and possibly other parts. The service manual for your
vehicle covers the need to replace other parts.

Your vehicle is equipped with a crash sensing and
diagnostic module, which records information about
the frontal air bag system. The module records
information about the readiness of the system, when
the sensors are activated and driver's safety belt
usage at deployment. Some modules also record
speed, engine rpm, brake and throttle data.

Let only qualified technicians work on your
air bag systems. Improper service can mean that
an air bag system won't work properly. See your
dealer for service.
NOTICE:
If you damage the covering for the driver's or the
right front passenger's air bag, or the air bag
covering on the driver's and right front
passenger's seatback, the bag may not work
properly. You may have to replace the air bag
module in the steering wheel, both the air bag
module and the instrument panel for the right
front passenger's air bag, or both the air bag
module and seatback for the driver's and right
front passenger's side impact air bag. Do not
open or break the air bag coverings.
Servicing Your Air Bag-Equipped Vehicle
Air bags affect how your vehicle should be serviced.
There are parts of the air bag systems in several places
around your vehicle. Your dealer and the Seville Service
Manual have information about servicing your vehicle
and the air bag systems. To purchase a service manual,
see ªService and Owner Publicationsº in the Index.

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2-26
NOTICE:
If your vehicle seems to start up rather slowly, or
if it doesn't seem to shift gears as you accelerate,
something may be wrong with a transaxle system
sensor. If you drive very far that way, your
vehicle can be damaged. So if this happens, have
your vehicle serviced right away. Until then, you
can use SECOND (2) when you are driving less
than 35 mph (55 km/h) and OVERDRIVE (
)
for higher speeds.
THIRD (3): This position is also used for normal
driving, however, it offers more power and lower fuel
economy than OVERDRIVE (
).
Here are examples for using THIRD (3) instead of
OVERDRIVE (
):

When driving on hilly, winding roads.

When going down a steep hill.SECOND (2): This position gives you more power. You
can use SECOND (2) on hills. It can help control your
speed as you go down steep mountain roads, but then
you would also want to use your brakes off and on.
NOTICE:
Don't shift into SECOND (2) unless you are going
slower than 65 mph (105 km/h), or you can
damage your engine.
FIRST (1): This position gives you even more power
than SECOND (2). You can use it on very steep hills, or
in deep snow or mud.
Note: If the traction control switch is off, your vehicle
will not go into FIRST (1) gear and the vehicle will
accelerate from stop more slowly. This can help in deep
snow or mud conditions. When the traction control is
turned off, a message will be lit on the Driver
Information Center (DIC).

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2-80
BATTERY VOLTAGE HIGH - 8: This message
shows that the electrical charging system is
overcharging (more than 16 volts). To avoid being
stranded, have the electrical system checked by your
dealership. You can reduce the charging overload by
using the accessories. Turn on the lamps and radio, set
the climate control on AUTO and the fan speed on HI,
and turn the rear window defogger on. You can monitor
battery voltage on the DIC by pressing the INFO button.
The normal range is 11.5 to 15.5 volts when the engine
is running.
BATTERY VOLTAGE LOW
- 6: This message will
appear when the electrical system is charging less than 9
volts or if the battery has been drained. If this message
appears immediately after starting, it is possible that the
generator can still recharge the battery. The battery should
recharge while driving but may take a few hours to do so.
Consider using an auxiliary charger (be sure to follow the
manufacturer's instructions) to boost the battery after
returning home or to a final destination. If this message
appears while driving or after starting your vehicle and
stays on, have it checked immediately to determine the
cause of this problem. To help the generator recharge the
battery quickly, you can reduce the load on the electrical
system by turning off the accessories. You can monitor
battery voltage on the DIC by pressing the INFO button.
The normal range is 11.5 to 15.5 volts.CHANGE BRAKE PADS
- 125: This message is used
to notify you that the brake pads may have worn down.
A sensor is connected to the brake pads and is triggered
when they wear to a certain point. Have the front and
rear brakes serviced by your dealer as soon as possible.
CHANGE ENGINE OIL
- 82: This means that the life
of the engine oil has expired and it should be changed
within 200 miles. See ªEngine Oilº and ªFilter
Recommendationsº in the Maintenance Schedule
booklet. After an oil change, the Oil Life Indicator must
be reset. See ªOil Life Indicator, How to Resetº in
the Index.
CHANGE TRANS FLUID
- 47: This message will
appear when it is time to replace the transaxle fluid. See
the Maintenance Schedule booklet for the proper fluid
and change intervals.
CHECK BRAKE FLUID
- 37: This message will
display if the ignition is in ON to inform the driver that
the brake fluid level is low. Have the brake system
serviced by a technician as soon as possible. See ªBrake
System Warning Lightº in the Index.
CHECK COOLANT LEVEL
- 2: This message will
appear when there is a low level of engine coolant. Have
the cooling system serviced by a technician as soon
as possible.

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6-30
NOTICE:

Using the wrong fluid can badly damage
brake system parts. For example, just a few
drops of mineral
-based oil, such as engine
oil, in your brake system can damage brake
system parts so badly that they'll have to be
replaced. Don't let someone put in the
wrong kind of fluid.

If you spill brake fluid on your vehicle's
painted surfaces, the paint finish can be
damaged. Be careful not to spill brake fluid
on your vehicle. If you do, wash it off
immediately. See ªAppearance Careº in
the Index.
Brake Wear
Your vehicle has four-wheel disc brakes.
Disc brake pads have built
-in wear indicators that make a
high
-pitched warning sound when the brake pads are worn
and new pads are needed. The sound may come and go or
be heard all the time your vehicle is moving (except when
you are pushing on the brake pedal firmly).
CAUTION:
The brake wear warning sound means that soon
your brakes won't work well. That could lead to
an accident. When you hear the brake wear
warning sound, have your vehicle serviced.
Your vehicle also has electronic wear sensors that let
you know when the brake pads are significantly worn
and new pads are needed. The CHANGE BRAKE
PADS message will be displayed on the Driver
Information Center when the brake pads are worn and
need to be replaced. (See ªChange Brake Pads Messageº
in the Index.)

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8-5
Through Water 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Winter 4-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
With a Trailer 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DRL 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dual Temperature Control 3-2, 3-3 . . . . . . . . . . . . . . . . . . . . .
Electrical System 6-59 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrochromic Day/Night Rearview Mirror
with Compass 2
-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Level Control 4-31 . . . . . . . . . . . . . . . . . . . . . . . . .
Electronic Solar Sensor 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine 6-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Air Cleaner/Filter 6-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Heater 2-22 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant Hot, Idle Engine Message 2-81 . . . . . . . . . . . . . . .
Coolant Temperature Gage 2-72 . . . . . . . . . . . . . . . . . . . . .
Coolant Temperature Warning Light 2-71 . . . . . . . . . . . . . .
Cooling When Trailer Towing 4-39 . . . . . . . . . . . . . . . . . . .
Exhaust 2-32, 4-28, 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hot - A/C Off Message 2-81 . . . . . . . . . . . . . . . . . . . . . . . .
Identification 6-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Misfire -- Ease Off Gas Pedal Message 2-82 . . . . . . . . . . .
Overheated, Stop Engine Message 2-82 . . . . . . . . . . . . . . . .
Overheating 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Reduced Message 2-82 . . . . . . . . . . . . . . . . . . . . . . .
Running While Parked 2-33 . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 6-68 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speed Limiter 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting Your 2-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Engine Oil 6
-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adding 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Additives 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Used 6-15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Kind of Oil to Use 6-13 . . . . . . . . . . . . . . . . . . . . . . .
When to Change 6-14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
English/Metric Display 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . .
Ethanol 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exhaust, Engine 2-32, 4-28, 4-35 . . . . . . . . . . . . . . . . . . . . . .
Express-Down Window 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lamps 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lighting 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Lighting Battery Saver 2-47 . . . . . . . . . . . . . . . . . . . .
Fabric Cleaning 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filling a Portable Fuel Container 6-8 . . . . . . . . . . . . . . . . . . . .
Filling Your Tank 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter, Engine Air Cleaner 6-16 . . . . . . . . . . . . . . . . . . . . . . . .
Finish Care 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Finish Damage 6-56 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
First Gear, Automatic Transaxle 2-26 . . . . . . . . . . . . . . . . . . .
Flashers, Hazard Warning 5-2 . . . . . . . . . . . . . . . . . . . . . . . . .
Flash-To-Pass Feature 2-37 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flat Tire, Changing 5-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Floor Mats 2-57 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid
AutomaticTransaxle 6
-19 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brake 6-28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Capacities 6-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Steering 6-26 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Windshield Washer 2-39, 6-27 . . . . . . . . . . . . . . . . . . . . . .

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8-7
Ice Possible Message 2-82 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Positions 2-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Illuminated Entry 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inadvertent Power Battery Saver 2-49 . . . . . . . . . . . . . . . . . . .
Indicator, Oil Life 2-92 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation, Tire Pressure 6-43 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning the Top 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster 2-64 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intensity/Brightness Control 2-47 . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-19, 5-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Key in Recall 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keyless Entry System, Remote 2-7 . . . . . . . . . . . . . . . . . . . . .
Keys 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labels
Certification 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Parts Identification 6-58 . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information 4-30 . . . . . . . . . . . . . . . . . . . . . .
Vehicle Identification Number 6-58 . . . . . . . . . . . . . . . . . . .
Lamp, Malfunction Indicator 2-72 . . . . . . . . . . . . . . . . . . . . . .
Lamps
Cornering 2
-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog 2-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Instrument Panel Intensity/Brightness Control 2
-47 . . . . . .
Interior 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reading 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Underhood 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle with the Engine Running 2-30 . . . . . . .
Left Rear Door Ajar Message 2-82 . . . . . . . . . . . . . . . . . . . . .
Light Sensor 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighted Visor Vanity Mirror 2-56 . . . . . . . . . . . . . . . . . . . . . .
Lighter 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighting, Exterior 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-21, 2-68 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-70, 4-7 . . . . . . . . . . . .
Brake System Warning 2-69 . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cruise Control 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Coolant Temperature Warning 2-71 . . . . . . . . . . . . .
Flash at Lock 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flash at Unlock 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog Lamp 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights On Reminder 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure 2-75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder Light 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking Brake Indicator 2-70 . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-7, 2-68 . . . . . . . . . . . . . . . . . . . . . .
Security 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-72 . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction Control System Warning 2-71, 4-9 . . . . . . . . . . . .