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SERVICE A/C SYSTEM - 14: This message appears
when the electronic sensors that control the air
conditioning and heating systems are no longer working.
Have the climate control system serviced if you notice a
drop in heating and air conditioning efficiency.
SERVICE AIR BAG
- 83: There is a problem with the
Supplemental Inflatable Restraint (air bag) system when
this message appears. Let only a qualified technician
work on your vehicle. See your dealership for service
at once.
SERVICE BRAKE FLUID SWITCH
- 37: A problem
in the brake fluid detection circuit causes this message
to display if the ignition is in RUN. Have the brake
system serviced by a technician as soon as possible. If
the brake warning light is on, refer to the directions
listed in that part.
SERVICE CHARGING SYSTEM
- 102: This
message will display when a problem with the charging
system has been detected. Have your vehicle serviced at
your dealership.
SERVICE ELECTRIC SYS
- 106: This message will
display if an electrical problem has occurred within the
Powertrain Control Module (PCM). Have your vehicle
serviced by your dealership.SERVICE FUEL SYSTEM
- 101: The PCM has
detected a problem within the fuel system when this
message appears. See your dealership for service.
SERVICE IDLE CONTROL
- 107: A problem
with the idle control has occurred when this
message displays. Drive your vehicle to the
dealership for service.
SERVICE RIDE SYS
- 84: This message is displayed
to indicate that the suspension system is not operating
properly. To correct this problem, have your vehicle
serviced at your dealership.
SERVICE STEERING SYS
- 127: This message is
displayed when a problem has been detected in the
Magnasteer
variable effort steering system. Service is
required. A single chime will also sound when this
message is displayed.
SERVICE TRANSMISSION
- 100: If a problem is
detected with the transaxle, this message will appear.
Have your vehicle checked by your dealership.
SERVICE VEHICLE SOON
- 3: If a problem is
detected with the transaxle, this message will appear.
Have your vehicle checked by your dealership.

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2-79
VEHICLE OVERSPEED - 52: A failure in the
suspension control system has occurred when this
message appears. The Powertrain Control Module (PCM)
determines the speed your vehicle is limited to.
Have your vehicle serviced if this message appears.
VEHICLE SPEED LIMITED TO XXX MPH
(KM/H)
- 113: A failure in the suspension control
system has occurred when this message appears. The
Powertrain Control Module (PCM) determines the speed
your vehicle is limited to. Have your vehicle serviced if
this message appears. (The XXX indicates the speed
your vehicle is limited to.)
Memory and Personalization Features
(If Equipped)
Your vehicle may be equipped with the following
features that can be individually programmed,
memorized or personalized for up to two drivers. For
a brief description of each feature, see each feature in
the Index.Memory Seat and Mirrors
To begin programming,
adjust the driver's seat
(including lumbar
adjustments) and both
outside mirrors to a
comfortable position
and then press the
SET button. Within five
seconds, press button ª1.º
A second mirror and seating position may be
programmed by repeating the above steps and pressing
button ª2º instead of button 1. Note that each time a
memory button is pressed, a single beep will sound
through the left front speaker.
If your vehicle is in PARK (P), you can recall mirror and
seating positions by briefly pressing button 1 or 2. This
will adjust the seat and mirrors to where you have
previously programmed them. If you have accidentally
pressed one of the memory recall buttons and want to stop
seat or mirror movement, press one of the manual seat or
mirror control buttons. This cancels a memory recall.

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2-84
Your vehicle will stay in the storage mode until the
ignition key is turned out of LOCK. The system will
ªwake
-upº when the door key is inserted into the door,
however, your vehicle will remain in the storage mode.
The ignition must be out of LOCK before the battery
guard is disabled.
Comfort Controls and Radio System Personalization
These features allow both drivers to personalize their
own climate control settings as well as their radio
settings. For more information, see ªClimate Control
Personalizationº and ªRadio Personalizationº in
the Index.
Continuous Variable Road Sensing
Suspension (CVRSS) (ETC Only)
The CVRSS automatically adjusts the ride of your
vehicle. Automatic ride control is achieved through a
computer used to control and monitor the suspension
system. The controller receives input from various
sensors to determine the proper system response. If the
controller detects a problem within the system, the
Driver Information Center (DIC) will display a
SERVICE RIDE CONTROL message. If this message
appears, have your vehicle serviced at your dealership.
Oil Life Indicator
This feature lets you know when to change the engine
oil. It's based on the engine oil temperatures and your
driving patterns. To see the display, press the SKIP
INFO button several times until XX OIL LIFE LEFT
appears. If you see 99% OIL LIFE LEFT, 99 percent of
your current oil life remains.

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6-57
MaxiFuse
(8
-Way)Usage
BODY 1 Road Sensing Suspension (RSS) Fuse
(ETC Only), Convenience Fuse, BATT
Fuse, Antenna Fuse, Passenger and
Driver Seat Belt Comfort Solenoids,
Trunk and Fuel Door Release
Solenoids and Relays, Door
Lock/Unlock Relays, Damper Relay
(ETC Only), Parking Lamp Relay,
Right and Left Park Fuse, Rear Fog
Lamp Relay (Export)
BODY 2 Defog Relay, Pull
-Down Fuse, Right
and Left Heated Seat Fuses, Electronic
Level Control (ELC) Relay, Heated
Mirror Fuse, Heated Backlite Fuse,
ELC Circuit Breaker
BODY 3 Controlled Power Relay, Controlled
Power Back
-Up Relay, Cluster Fuse,
Passenger Zone Module (PZM) Fuse,
Radio Fuse, DAB Relay, Trunk and
Fuel Door Release Relay, High
-Beam
Relay, Comfort Fuse, AMP (Bose
Only) Fuse, Right and Left Bose RelayMaxiFuse
(8
-Way)Usage
INADVERT Inadvertent Power Relay, Interior
Lamps Fuse, Cigarette Lighter
-1 Fuse,
Courtesy Lamp Relay
LAMPS Headlamps Fuse/Relay, High/Low
Beam Control Relay, Fog Lamp Fuse,
DRL Fuse, Hazard Fuse, Mirror Fuse,
Inadvertent Power Relay, Right and
Left High
-Beam Fuse, Right and Left
Low
-Beam Fuse, Stoplamp Fuse, Fog
Lamp Relay, DRL Relay
IGN 1 Rear Ignition
-1 Relay, Wiper Fuse,
Relay Ignition
-1 Fuse, Supplemental
Inflatable Restraint (SIR) Fuse,
Accessory Relay
WINDOWS Delayed Accessory Bus (DAB) Relay
SEATS Horn Relay, Driver and Passenger
Lumbar In/Out Relays, Driver and
Passenger Lumbar Up/Down Relays

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6-62
Fuse Usage
INJ Injectors 1, 4, 6, 7
INJ Injectors 2, 3, 5, 8
FUEL PUMP PCM, Fuel Pump Relay, Fuel Pump
OXY SEN1 Oxygen Sensor Front
OXY SEN2 Oxygen Sensor Rear, Catalytic
Converter (CAT) Rear
Oxygen Sensor
Relays
A/C COMP RELAY
FUEL PUMP RELAY
Rear Compartment Fuse Block
The fuse block is located on the front wall of the trunk
(behind the rear seat) on the driver's side. Loosen the
four trunk trim fasteners and pull the trim away from the
fuse block to gain access.Fuse Usage
RLY IGN1 Cluster, Cruise in Stalk, Passenger
Zone Module (PZM), Traction
Control System (TCC) Switch
SIR Sensing and Diagnostic
Module (SDM)
ELC Electronic Level Control (ELC)
Relay, ELC (AC) Compressor
TURN Electronic Flasher,
Turn/Hazard Switch
CONSOLE Rear Zone Blower, Right and Left
Heated Seat Switches (Optional)
BRAKE Brakes
SPARE Not Used
RSS Road Sensing Suspension (RSS)
Module (ETC Only)
IGN 0
-BODY PRNDL, PZM, Cluster, Air
Control Module (ACM), Upper
Zone Motor, Lower Zone Motor
(Optional), HVAC Solenoids,
Climate Control Panel Analog
Cluster, Rear Defog Relay,
ELC Relay

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6-63
Fuse Usage
COMFORT CD Player, Remote Keyless Entry
(RKE), Controlled Power Relay,
Air Control Module (ACM), PZM
AMP (Bose
Only) (Optional)Right and Left Hand Bose Relay,
Right and Left Front Speakers
(On Door), Right and Left Rear
Speakers, Bose Amplifier
PZM Passenger Zone Module (PZM)
RADIO/PHONE Radio Receiver, Radio Interface
Module (RIM) (Bose Only),
Phone, DAB Relay, Trunk Release
Relay, Fuel Door Release Relay,
High/Low
-Beam Relay
CLUSTER Steering Wheel Controls, Cluster
ACC PZM, Electrochromic Mirror,
Rain Sensor (Optional),
Accessory Relay
SPARE Not Used
HTD MIR Right and Left Outside
Heated MirrorFuse Usage
HTD SEAT R Passenger Heated Seat
Relay (Optional)
HTD SEAT L Driver Heated Seat
Relay (Optional)
PULL DOWN Trunk Pull
-Down Motor
HDLP WASH Headlamp Washers
ANTENNA Power Mast Antenna
RSS Damper Relay (ETC Only)
CONVENC Trunk Release Relay, Trunk
Release Solenoid, Fuel Door
Release Relay, Fuel Filler Door
Release Solenoid, Door Lock
Relay, Left Front Door Motors,
PZM, Door Unlock Relay
BATT Driver and Passenger Seat Lumbar
Switch (Optional), Driver and
Passenger Seat Belt Comfort
Solenoid, Memory Seat Module
RSS Road Sensing Suspension (RSS)
Module (ETC Only)

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7-12
CURRENT PUBLICATIONS FOR 1999 CADILLAC
SERVICE MANUALS
Service Manuals have the diagnosis and repair information
on engines, transmission, axle, suspension, brakes,
electrical, steering, body, etc.
RETAIL SELL PRICE: $90.00
TRANSMISSION, TRANSAXLE, TRANSFER CASE
UNIT REPAIR MANUAL
This manual provides information on unit repair service
procedures, adjustments and specifications for the
1999 GM transmissions, transaxles and transfer cases.
RETAIL SELL PRICE: $50.00
SERVICE BULLETINS
Service Bulletins give technical service information needed
to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the
diagnosis and service of your vehicle.OWNER'S INFORMATION
Owner publications are written directly for Owners and
intended to provide basic operational information about
the vehicle.
In-Portfolio: Includes a Portfolio, Owner's Manual and
Warranty Booklet.
RETAIL SELL PRICE: $15.00
Without Portfolio: Owner's Manual only.
RETAIL SELL PRICE: $10.00
CURRENT & PAST MODEL ORDER FORMS
Service Publications are available for current and past
model GM vehicles. To request an order form, please
specify year and model name of the vehicle.
PLEASE COMPLETE THE ORDER FORM SHOWN ON
THE FOLLOWING PAGE AND MAIL TO:
Helm, Incorporated P.O. Box 07130 Detroit, MI 48207OR ORDER TOLL FREE: 1-800-551-4123
Monday-Friday 8:00 AM ± 6:00 PM Eastern Time
For Credit Card Orders Only (VISA±MasterCard±Discover)
1999 CADILLAC SERVICE PUBLICATIONS ORDERING INFORMATION
The following publications covering the operation and servicing of your vehicle can be purchased by filling out
the Service Publication Order Form in this book and mailing it in with your check, money order,
or credit card information to Helm, Incorporated (address below.)

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8-3
Check Fuel Gauge Message 2-84 . . . . . . . . . . . . . . . . . . . . . . .
Check Gas Cap Message 2-84 . . . . . . . . . . . . . . . . . . . . . . . . .
Check Oil Level Message 2-84 . . . . . . . . . . . . . . . . . . . . . . . .
Check Washer Fluid Message 2-84 . . . . . . . . . . . . . . . . . . . . .
Checking Engine Oil 6-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Your Restraint Systems 1-49 . . . . . . . . . . . . . . . . . .
Chemical Paint Spotting 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . .
Child Restraints 1-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Securing in a Rear Outside Seat Position 1-40 . . . . . . . . . . .
Securing in the Center Rear Seat Position 1-42 . . . . . . . . . .
Securing in the Right Front Seat Position 1-44 . . . . . . . . . .
Top Strap 1-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Where to Put 1-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHMSL 6-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chrome-Plated Wheels, Cleaning 6-52 . . . . . . . . . . . . . . . . . .
Cigarette Lighter 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Circuit Breakers and Fuses 6-59 . . . . . . . . . . . . . . . . . . . . . . .
City Driving 4-19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
Aluminum or Chrome
-Plated Wheels 6-52 . . . . . . . . . . . . .
Exterior Lamps/Lenses 6-51 . . . . . . . . . . . . . . . . . . . . . . . .
Fabric/Carpet 6-48 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass Surfaces 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside of Your Vehicle 6-48 . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Panel 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior Plastic Components 6-49 . . . . . . . . . . . . . . . . . . . . .
Leather 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outside of the Windshield and Wiper Blades 6-50 . . . . . . .
Outside of Your Vehicle 6-51 . . . . . . . . . . . . . . . . . . . . . . . .
Speaker Covers 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tires 6
-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vinyl 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheels 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wood Panels 6-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Climate Control Panel 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Climate Control Personalization 3-9 . . . . . . . . . . . . . . . . . . . .
Climate Control, Steering Wheel Controls 3-9 . . . . . . . . . . . .
Clock, Setting the 3-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cluster, Instrument Panel 2-58 . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls 3-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Comfort Controls and Radio System Personalization 2-84 . . .
Compact Disc Care 3-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Player Care 3-31 . . . . . . . . . . . . . . . . . . . . . . . .
Compact Disc Players 3-21 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Spare Tire 5-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compartments, Storage 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . .
Compass, Rearview Mirror with 2-45 . . . . . . . . . . . . . . . . . . .
Console, Overhead 2-49 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Console Shift Lever 2-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous Variable Road Sensing
Suspension (CVRSS) 2
-84 . . . . . . . . . . . . . . . . . . . . . . . . . .
Control of a Vehicle 4-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control System, Traction 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . .
Convenience Net 2-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside Mirror 2-48 . . . . . . . . . . . . . . . . . . . . . . . . . .
Coolant 6-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Heater, Engine 2-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Surge Tank 5-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cooling System 5-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cornering Lamps 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .