1999 CADILLAC DEVILLE brake sensor

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1-28
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 has a crash sensing and diagnostic
module, which records information about the air bag
and related systems. It records information about the
readiness of the air bag systems, when the sensors
are activated and driver's safety belt usage at
deployment or in a near
-deployment crash. 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 door, 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 door panel for the driver's and right front
passenger's side impact air bag. Do not open or
break the air bag coverings.

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2-25
OVERDRIVE (
): This position is for normal driving.
If you need more power for passing, and you're:

Going less than 35 mph (55 km/h), push the
accelerator pedal about halfway down.

Going about 35 mph (55 km/h) or more, push the
accelerator all the way down.
The transaxle will shift down to the next gear and
have more power.
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 towing a trailer, so there is less shifting
between gears.

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.

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2-83
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 INFORMATION SKIP (SKIP 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
10 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 and may take a few hours to do
so. Consider using an auxiliary charger to boost the
battery after returning home or to a final destination. (Be
sure to follow the manufacturer's instructions when
recharging the battery.)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 INFORMATION SKIP (SKIP INFO)
button. The normal range is 11.5 to 15.5 volts.
BRAKE VACUUM PROBLEM
-108: The circuit in
the brake booster vacuum has shorted or is loose when
this message appears. Your vehicle may lose power
brakes but you will still have the use of manual brakes.
The power brakes will not be affected if the problem is
caused by a failed sensor. Have your vehicle serviced
immediately at your dealership.
CHANGE ENGINE OIL
- 82: This means that the life
of the engine oil has expired and it should be changed
within 200 miles (322 km). See ªEngine Oilº and ªFilter
Recommendationsº in the Maintenance Schedule
booklet. After an oil change, the Oil Life Indicator must
be reset. For more information, see ªOil Life Indicator,
How to Resetº in the Index.

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6-62
MaxiFuse
(6
-Way)Usage
BATT 3 Steering Column Ignition Switch
BATT 2 Steering Column Ignition Switch
IGN 1 Front Ignition
-1 Relay, Oxygen
Sensor 1 and 2 Fuse, Fuel Fuse, Cruise
Fuse, Fuel Pump Relay
BATT 1 Starter Relay and Solenoid, Park/Rev
Fuse, Park Relay, Powertrain Control
Module (PCM) Fuse, AC Compressor
Fuse and Relay, Cooling Fan Relays,
Reverse Relay
BRAKES Anti
-Lock Brake System (ABS) Brake
Modulator
COOL FNS Cooling Fan Relays 1 and 3Power
Distribution
BlockUsage
ACCESSORY Accessories
HEAD LPS Headlamps
HORN Horn
FOG LPS Fog Lamps
DRL Daytime Running Lamps (DRL)
HI/LO BEAM High and Low
-Beam Headlamps
Relays
INADVERT POWER RELAY
IGN 1 RELAY
STARTER RELAY

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8-7
Instrument Panel 2-62 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning the Top 6-51 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clusters 2-64, 2-65 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Intensity/Brightness Control 2-46 . . . . . . . . . . . . . . . . . . . .
Interior Lamps 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jack, Tire 5-20, 5-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jump Starting 5-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 . . . . . . . . . . . . . . . . . . .
Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cornering 2
-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Courtesy 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Daytime Running Lamps 2-43 . . . . . . . . . . . . . . . . . . . . . . .
Exterior 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fog 2-44 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel Intensity/Brightness Control 2-46 . . . . . .
Interior 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
On Reminder 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reading 2-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Underhood 6-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Leaving Your Vehicle 2-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Leaving Your Vehicle with the Engine Running 2
-30 . . . . . . .
Level Control, Electronic 4-31 . . . . . . . . . . . . . . . . . . . . . . . . .
Light Sensor 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lighted Visor Vanity Mirror 2-55 . . . . . . . . . . . . . . . . . . . . . .
Lighter 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lights
Air Bag Readiness 1
-23, 2-68 . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lock Brake System Warning 2-71, 4-7 . . . . . . . . . . . .
Brake System Warning 2-69 . . . . . . . . . . . . . . . . . . . . . . . . .
Charging System 2-69 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Coolant Temperature Warning 2-72 . . . . . . . . . . . . .
Interior 2-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Pressure 2-76 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking Brake Indicator 2-70 . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-7, 2-68 . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-73 . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction Control System Warning 2-72, 4-9 . . . . . . . . . . . .
Limiter, Engine Speed 2-67 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limiter, Vehicle Speed 2-66 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Your Vehicle 4-30 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lock, Torque 2-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Anti-Lockout Feature 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programmable Automatic Door 2-5, 2-91 . . . . . . . . . . . . . .
Rear Door Security 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trunk Release 2-11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lock/Unlock Confirmation 2-92 . . . . . . . . . . . . . . . . . . . . . . .