traction control PONTIAC FIREBIRD 1999 User Guide

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5-37
If You're Stuck: In Sand, Mud,
Ice or Snow
In order to free your vehicle when it is stuck, you will
need to spin the wheels, but you don't want to spin your
wheels too fast. The method known as ªrockingº can
help you get out when you're stuck, but you must
use caution.
CAUTION:
If you let your tires spin at high speed, they can
explode, and you or others could be injured. And,
the transmission or other parts of the vehicle can
overheat. That could cause an engine
compartment fire or other damage. When you're
stuck, spin the wheels as little as possible. Don't
spin the wheels above 35 mph (55 km/h) as shown
on the speedometer.
NOTICE:
Spinning your wheels can destroy parts of your
vehicle as well as the tires. If you spin the wheels
too fast while shifting your transmission back
and forth, you can destroy your transmission.
For information about using tire chains on your vehicle,
see ªTire Chainsº in the Index.
Rocking Your Vehicle To Get It Out
First, turn your steering wheel left and right. That will
clear the area around your front wheels. If your vehicle has
traction control, you should turn the system off. (See
ªTraction Control Systemº in the Index.) Then shift back
and forth between REVERSE (R) and a forward gear
(or with a manual transmission, between FIRST (1) or
SECOND (2) and REVERSE (R)), spinning the wheels as
little as possible. Release the accelerator pedal while you
shift, and press lightly on the accelerator pedal when the
transmission is in gear. By slowly spinning your wheels in
the forward and reverse directions, you will cause a
rocking motion that may free your vehicle. If that doesn't
get you out after a few tries, you may need to be towed
out. If you do need to be towed out, see ªTowing Your
Vehicleº in the Index.

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6-51
CAUTION:
Mixing tires could cause you to lose control while
driving. If you mix tires of different sizes or types
(radial and bias
-belted tires), the vehicle may not
handle properly, and you could have a crash.
Using tires of different sizes may also cause
damage to your vehicle. Be sure to use the same
size and type tires on all wheels.
It's all right to drive with your compact spare,
though. It was developed for use on your vehicle.
CAUTION:
If you use bias-ply tires on your vehicle, the
wheel rim flanges could develop cracks after
many miles of driving. A tire and/or wheel could
fail suddenly, causing a crash. Use only radial
-ply
tires with the wheels on your vehicle.
Uniform Tire Quality Grading
The following information relates to the system
developed by the United States National Highway
Traffic Safety Administration, which grades tires by
treadwear, traction and temperature performance. (This
applies only to vehicles sold in the United States.) The
grades are molded on the sidewalls of most passenger
car tires. The Uniform Tire Quality Grading system does
not apply to deep tread, winter
-type snow tires,
space
-saver or temporary use spare tires, tires with
nominal rim diameters of 10 to 12 inches (25 to 30 cm),
or to some limited
-production tires.
While the tires available on General Motors passenger
cars and light trucks may vary with respect to these
grades, they must also conform to Federal safety
requirements and additional General Motors Tire
Performance Criteria (TPC) standards.

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6-52
Treadwear
The treadwear grade is a comparative rating based on
the wear rate of the tire when tested under controlled
conditions on a specified government test course. For
example, a tire graded 150 would wear one and a half
(1 1/2) times as well on the government course as a tire
graded 100. The relative performance of tires depends
upon the actual conditions of their use, however, and
may depart significantly from the norm due to variations
in driving habits, service practices and differences in
road characteristics and climate.
Traction
-- AA, A, B, C
The traction grades, from highest to lowest, are AA, A,
B, and C. Those grades represent the tire's ability to stop
on wet pavement as measured under controlled
conditions on specified government test surfaces of
asphalt and concrete. A tire marked C may have poor
traction performance. Warning: The traction grade
assigned to this tire is based on straight
-ahead braking
traction tests, and does not include acceleration,
cornering, hydroplaning, or peak traction characteristics.Temperature
-- A, B, C
The temperature grades are A (the highest), B, and C,
representing the tire's resistance to the generation of
heat and its ability to dissipate heat when tested under
controlled conditions on a specified indoor laboratory
test wheel. Sustained high temperature can cause the
material of the tire to degenerate and reduce tire life, and
excessive temperature can lead to sudden tire failure.
The grade C corresponds to a level of performance
which all passenger car tires must meet under the
Federal Motor Vehicle Safety Standard No. 109. Grades
B and A represent higher levels of performance on the
laboratory test wheel than the minimum required by law.
Warning: The temperature grade for this tire is
established for a tire that is properly inflated and not
overloaded. Excessive speed, underinflation, or
excessive loading, either separately or in combination,
can cause heat buildup and possible tire failure.

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6-67
Main Fuse Block
Fuse Usage
STOP/HAZARD Hazard Flashers, Brake Switch
Assembly
TURN B/U Traction Control Switch, Back/Up
Lamp Switch, Turn Flasher,
Daytime Running Lamps (DRL)
ModuleFuse Usage
STG WHEEL
CNTRLSteering Wheel Controls
RADIO ACCY Delco Monsoon Radio Amplifier,
Power Antenna, Remote CD
Player (Hatch)
TAIL LPS Daytime Running Lamps (DRL)
Module, Headlamp Switch
HVAC HVAC Selector Switch, Rear
Defogger Switch/Timer
PWR ACCY Parking Lamp Relay, Hatch
Release Relay, Power Mirror
Switch, Radio, Shock Sensor,
Instrument Cluster
COURTESY Body Control Module (BCM)
GAUGES Body Control Module (BCM),
Brake
-Transmission Shift
Interlock (BTSI), Instrument
Cluster, Daytime Running Lamps
(DRL) Module
AIR BAG Air Bag

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6-68
Fuse Usage
CIG/ACCY Cigarette Lighter, Data Link
Connector (DLC), Auxiliary
Accessory Wire
DEFOG/SEATS Rear Defogger Switch/Timer,
Rear Defogger Timer/Relay,
Power Seats
IGN Aftermarket Use Only
STG WHEEL
CNTRLSteering Wheel Controls
WIPER/WASH Wiper Motor Assembly,
Wiper/Washer Switch
BATT Aftermarket Use Only
WINDOWS Power Windows Switch
(Right
-Hand, Left-Hand),
Express
-Down Module,
Convertible Top SwitchFuse Usage
IP DIMMER Door Illumination Lamp
(Right
-Hand, Left-Hand),
Headlamp Switch, Fog Lamp
Switch, Instrument Cluster, HVAC
Control Assembly, PRNDL
Illumination Lamp, Ashtray Lamp,
Radio, Rear Window Defogger
Switch/Timer, Traction Control
Switch (TCS), Convertible
Top Switch
ACCY Aftermarket Use Only
RADIO Body Control Module (BCM),
Radio, Amplifier, Steering Wheel
Controls
-Radio

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6-69
Underhood Electrical Center
Fuse and Relay Center 1
Fuse Usage
ABS BAT SOL Anti
-Lock Brake System
TCS BAT Traction Control System
COOL FAN Cooling Fan ControlFuse Usage
PCM BAT Powertrain Control Module
(PCM)
FUEL PUMP Fuel Pump
AIR PUMP A.I.R. Pump Relay and
Bleed Valve
LH HDLP DR Left Headlamp Door Module
RH HDLP DR Right Headlamp Door Module
HORN Horn Relay
ABS BAT
-1 Anti-Lock Brake System Module
H/L DR HORN Horn and Headlamp Doors
ABS BAT
-2 Anti-Lock Brake and Traction
Control System
COOL FAN Cooling Fan Relays
Relay Description
FOG LAMP Fog Lamps
HORN Horn
FAN #3 Cooling Fans
FAN #2 Cooling Fans
FAN #1 Cooling Fans

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9-7
Check Gages 2-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hatch Ajar 2-89 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interior 2-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Coolant Warning 2-83 . . . . . . . . . . . . . . . . . . . . . . . . .
Low Fuel 2-90 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Oil 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Traction 2-82, 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Change 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reduced Engine Power 2-90 . . . . . . . . . . . . . . . . . . . . . . . .
Safety Belt Reminder 1-9, 2-78 . . . . . . . . . . . . . . . . . . . . . .
Service Engine Soon 2-84 . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Vehicle 2-88 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Skip Shift 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction Control System Off Warning 2-81, 4-9 . . . . . . . . .
Limited-Slip Rear Axle 2-42 . . . . . . . . . . . . . . . . . . . . . . . . . .
Loading Your Vehicle 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locks 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Door 2-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ignition Transmission Lock Check 7-20 . . . . . . . . . . . . . . .
Key Lock Cylinder Service 7-18 . . . . . . . . . . . . . . . . . . . . .
Last Door Closed 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lockout Prevention 2-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Door 2-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Coolant Warning Light 2-83 . . . . . . . . . . . . . . . . . . . . . .
Low Oil Light 2-87 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubricants and Fluids 7-23 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lubrication Service, Body 7-18 . . . . . . . . . . . . . . . . . . . . . . . .
Main, Fuse Block 6-67 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance, Normal Replacement Parts 6-73 . . . . . . . . . . . .
Maintenance Record 7-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Schedule 7-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Owner Checks and Services 7-17 . . . . . . . . . . . . . . . . . . . . .
Periodic Maintenance Inspections 7-21 . . . . . . . . . . . . . . . . Recommended Fluids and Lubricants 7
-23 . . . . . . . . . . . . .
Scheduled Maintenance Services 7-4 . . . . . . . . . . . . . . . . . .
Maintenance, Underbody 6-62 . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Trailer Towing 4-40 . . . . . . . . . . . . . . . . .
Malfunction Indicator Lamp 2-84 . . . . . . . . . . . . . . . . . . . . . .
Manual
Control, Climate System 3
-2 . . . . . . . . . . . . . . . . . . . . . . . .
Four-Way Seat 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Seat 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fully Articulating Sport Seat 1-5 . . . . . . . . . . . . . . . . . . . . .
Lumbar 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manual Transmission
Check 7
-18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Five-Speed 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fluid 6-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation 2-32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking Your Vehicle 2-40 . . . . . . . . . . . . . . . . . . . . . . . . . .
Shift Speeds 2-34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Six-Speed 2-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Skip Shift Light 2-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting 2-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map Pocket 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Methanol 6-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mirrors 2-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Convex Outside 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inside Day/Night Rearview 2-54 . . . . . . . . . . . . . . . . . . . . .
Manual Remote Control 2-54 . . . . . . . . . . . . . . . . . . . . . . . .
Outside Manual Adjustable 2-54 . . . . . . . . . . . . . . . . . . . . .
Power Remote Control 2-54 . . . . . . . . . . . . . . . . . . . . . . . . .
Visor Vanity 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MMT 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mountain Roads 4-24 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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9-11
Storage Compartments 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cassette/Compact Disc 2-55 . . . . . . . . . . . . . . . . . . . . . . . .
Front Console 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glove Box 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map Pocket 2-55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage, Vehicle 6-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stuck: In Sand, Mud, Ice or Snow 5-37 . . . . . . . . . . . . . . . . . .
Sun Visors 2-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supplemental Restraint System 1-23 . . . . . . . . . . . . . . . . . . . .
Symbols, Vehicle v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tachometer 2-77 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tape Player Care 3-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft 2-12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Theft-Deterrent Alarm System 2-13 . . . . . . . . . . . . . . . . . . . .
Theft-Deterrent Feature 3-17 . . . . . . . . . . . . . . . . . . . . . . . . . .
THEFTLOCK
3-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermostat 6-27 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Third Gear, Manual Transmission 2-33, 2-34 . . . . . . . . . . . . .
Third Position, Automatic Transmission 2-31 . . . . . . . . . . . . .
Tilt Wheel 2-43 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Time, Setting the 3-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Chains 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire Loading 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tire-Loading Information Label 4-31 . . . . . . . . . . . . . . . . . . .
Tires 6-46 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Alignment and Balance 6-53 . . . . . . . . . . . . . . . . . . . . . . . .
Buying New 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chains 6-54 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing a Flat 5-25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning 6-61 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Compact Spare 5-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inflation 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Inflation Check 7
-17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inspection and Rotation 6-48 . . . . . . . . . . . . . . . . . . . . . . . .
Loading 4-31 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure 6-47 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Temperature 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Treadwear 6-52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uniform Quality Grading 6-51 . . . . . . . . . . . . . . . . . . . . . . .
Wear Indicators 6-50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Replacement 6-53 . . . . . . . . . . . . . . . . . . . . . . . . . . .
When It's Time for New 6-50 . . . . . . . . . . . . . . . . . . . . . . .
Top Strap 1-40 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque Lock 2-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Torque, Wheel Nut 6-72 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Towing
Recreational Vehicle 4
-30 . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer 4-33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Your Vehicle 5-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Traction
Control System 4
-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control System Off Warning Light 2-83, 4-9 . . . . . . . . . . .
Limited-Slip Rear Axle 2-42 . . . . . . . . . . . . . . . . . . . . . . . .
Low Light 2-82, 4-9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trailer
Brakes 4
-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving on Grades 4-38 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Driving with 4-37 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Cooling When Towing 4-40 . . . . . . . . . . . . . . . . . . .
Hitches 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance When Towing 4-40 . . . . . . . . . . . . . . . . . . . . .
Parking on Hills 4-39 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Chains 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tongue Weight 4-35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Weight on Tires 4-36 . . . . . . . . . . . . . . . . . . . . . . . . . .