Introduction 4
Instrument Cluster 10
Warning and control lights 10
Gauges 16
Entertainment Systems 22
AM/FM stereo cassette with CD 22
AM/FM stereo cassette (CD changer compatible) 31
CD changer 40
Climate Controls 46
Manual heating and air conditioning 46
Electronic automatic temperature control 48
Lights 53
Headlamps 53
Turn signal control 56
Bulb replacement 57
Driver Controls 63
Windshield wiper/washer control 63
Steering wheel adjustment 64
Power windows 74
Mirrors 75
Speed control 77
Message center 86
Locks and Security 92
Keys 92
Locks 92
Anti-theft system 94
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Table of Contents
Table of Contents
1
To replace the wiper blades:
1. Pull the wiper arm away from the
windshield and lock into the service
position.
2. Press and hold the tab on the
blade and slide the blade off the
wiper arm pin.
3. To attach the new wiper blade,
press and hold the tab on the blade
and slide the blade on to the wiper
arm pin. Then release the tab.
4. Replace wiper blades every 6 months for optimum performance.
TILT STEERING
Pull the tilt steering control toward
you to move the steering wheel up
or down. Hold the control while
adjusting the wheel to the desired
position, then release the control.
Never adjust the steering wheel when the vehicle is moving.
OVERHEAD CONSOLE WITHOUT MOON ROOF (IF EQUIPPED)
The appearance of your vehicle’s overhead console will vary according to
your option package. Some of the features in the overhead console
include a storage bin and compass. To program the Homelink, refer to
HomelinkUniversal Transceiverit this chapter.
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
64
STEERING WHEEL CONTROLS (IF EQUIPPED)
Radio control features
•Press BAND/MODE to select AM,
FM1, FM2, TAPE or CD (if
equipped).
In Radio mode:
•Press MEM/NEXT to select a
preset station from memory.
In Tape mode:
•Press MEM/NEXT to listen to the
next selection on the tape.
In CD mode:
•Press MEM/NEXT to listen to the
next track on the disc.
In any mode:
•Press VOL up or down to adjust the volume.
Climate control features
•Press TEMP up or down to adjust temperature.
•Press FAN up or down to adjust fan speed.
MOON ROOF (IF EQUIPPED)
To open the moon roof:
•Press and hold the control
forward to raise the moon roof to
the vent position (when the glass
panel is closed).
•For one-touch operation, press
and release the rear portion of
the control; this will fully open
the moon roof.
•To stop one-touch operation at
the desired position, press and
release the forward portion of the control.
To close the moon roof:
•Press and hold the front portion of the control.
NEXT
MODE
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Driver Controls
81
STARTING
Positions of the ignition
1. ACCESSORY, allows the electrical
accessories such as the radio to
operate while the engine is not
running.
2. LOCK, locks automatic
transmission gearshift lever and
allows key removal.
3. OFF, shuts off the engine and all
accessories without locking the
steering wheel. This position also allows the automatic transmission shift
lever to be moved from the P (Park) position without the brake pedal
being depressed.
When the key is in the ignition OFF position, the automatic
transmission shift lever can be moved from the P (Park) position
without the brake pedal depressed. To avoid unwanted vehicle
movement, always set the parking brake.
4. ON, all electrical circuits operational. Warning lights illuminated. Key
position when driving.
5. START, cranks the engine. Release the key as soon as the engine
starts.
Preparing to start your vehicle
Engine starting is controlled by the powertrain control system. This
system meets all Canadian Interference-Causing Equipment standard
requirements regulating the impulse electrical field strength of radio
noise.
When starting a fuel-injected engine, avoid pressing the accelerator
before or during starting. Only use the accelerator when you have
difficulty starting the engine. For more information on starting the
vehicle, refer toStarting the enginein this chapter.
Extended idling at high engine speeds can produce very high
temperatures in the engine and exhaust system, creating the risk
of fire or other damage.
3
1
2
5
4
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
Driving
142
emphasis on improved performance and environmental considerations
can lead to more dust than in the past. Brake dust can be cleaned by
weekly washing with soapy water and a soft sponge. Heavier deposits can
be removed with Motorcraft Wheel and Tire Cleaner (ZC-37–A).
Anti-lock brake system (ABS)
This vehicle is equipped with an anti-lock braking system (ABS). A noise
from the hydraulic pump motor and pulsation in the pedal may be
observed during ABS braking events. Pedal pulsation coupled with noise
while braking under panic conditions or on loose gravel, bumps, wet or
snowy roads is normal and indicates proper functioning of the vehicle’s
anti-lock brake system. If the vehicle has continuous vibration or shudder
in the steering wheel while braking, the vehicle should be inspected by a
qualified service technician.
The ABS operates by detecting the
onset of wheel lockup during brake
applications and compensates for
this tendency. The wheels are
prevented from locking even when
the brakes are firmly applied. The
accompanying illustration depicts
the advantage of an ABS equipped
vehicle (on bottom) to a non-ABS
equipped vehicle (on top) during hard braking with loss of front braking
traction.
Using ABS
•In an emergency or when maximum efficiency from the four-wheel
ABS is required, apply continuous force on the brake. The four wheel
ABS will be activated immediately, thus allowing you to retain steering
control of your vehicle and, providing there is sufficient space, will
enable you to avoid obstacles and bring the vehicle to a controlled
stop.
•The anti-lock system does not reduce stopping distance. Always leave
enough room between your vehicle and the vehicle in front of you to
stop.
•We recommend that you familiarize yourself with this braking
technique. However, avoid taking any unnecessary risks.
ABS warning lamp
ABS
TheABSwarning lamp in the instrument cluster momentarily illuminates
when the ignition is turned to the ON position. If the light does not
illuminate momentarily at start up, remains on or continues to flash, the
ABS needs to be serviced.
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
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If you should become stuck in snow
or ice or on a very slippery road
surface, try switching the Traction
Controlsystem off. This may allow
excess wheel spin to “dig” the
vehicle out and enable a successful
“rocking” maneuver.
The traction control indicator
flashes during a Traction Control
system event.
If the traction control indicator
comes on and stays lit, either:
•the Traction Controlsystem
requires service, or
•the customer has disabled the system using the traction control switch
located on the left side of the instrument panel.
The Traction Controlsystem will be on every time you turn the ignition
key from OFF to ON until you deactivate the system using the traction
control switch on the instrument panel left of the steering column.
STEERING
Your vehicle is equipped with power steering. Power steering uses energy
from the engine to decrease the driver’s effort in steering the vehicle.
To prevent damage to the power steering pump:
•Never hold the steering wheel to the extreme right or the extreme left
for more than a few seconds when the engine is running.
•Do not operate the vehicle with the power steering pump fluid level
below the MIN mark on the reservoir.
If the power steering system breaks down (or if the engine is turned
off), you can steer the vehicle manually, but it takes more effort.
If the steering wanders or pulls, check for:
•Underinflated tire(s) on any wheel(s)
•Uneven vehicle loading
•High crown in center of road
•High crosswinds
•Wheels out of alignment
•Loose or worn suspension components
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
150
Note:Always replace a fuse with one that has the specified amperage
rating. Using a fuse with a higher amperage rating can cause severe wire
damage and could start a fire.
Standard fuse amperage rating and color
COLOR
Fuse
ratingMini
fusesStandard
fusesMaxi
fusesCartridge
maxi
fusesFuse link
cartridge
2A Grey Grey — — —
3A Violet Violet — — —
4A Pink Pink — — —
5A Tan Tan — — —
7.5A Brown Brown — — —
10A Red Red — — —
15A Blue Blue — — —
20A Yellow Yellow Yellow Blue Blue
25A Natural Natural — — —
30A Green Green Green Pink Pink
40A — — Orange Green Green
50A — — Red Red Red
60A — — Blue — Yellow
70A — — Tan — Brown
80A — — Natural — Black
Passenger compartment fuse panel
The fuse panel is located below and to the left of the steering wheel by
the brake pedal. Remove the panel cover to access the fuses.
To remove a fuse use the fuse puller tool provided on the fuse panel
cover.
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
164
Fuse/Relay
LocationFuse Amp
RatingPower Distribution Box Description
602 20A** Adjustable pedals, Power seat, Locks,
Decklid, Lumbar
* Mini fuse ** Circuit breaker/Maxi fuse
Relays
Relays are located in the power distribution box and should be replaced
by qualified technicians.
CHANGING THE TIRES
If you get a flat tire while driving, do not apply the brake heavily.
Instead, gradually decrease your speed. Hold the steering wheel firmly
and slowly move to a safe place on the side of the road.
The use of tire sealants is not recommended and may
compromise the integrity of your tires.
Temporary spare tire information
Your vehicle may have a temporary or full-size spare tire. The temporary
spare tire for your vehicle is labeled as such. It is smaller than a regular
tire and is designed for emergency use only. Replace this tire with a
full-size tire as soon as possible.
If you use the temporary spare tire continuously or do not follow
these precautions, the tire could fail, causing you to lose control
of the vehicle, possibly injuring yourself or others.
When driving with the temporary spare tiredo not:
•exceed 80 km/h (50 mph) under any circumstances.
•load the vehicle beyond maximum vehicle load rating listed on the
Safety Compliance Label.
•tow a trailer.
•use tire chains.
•drive through an automatic car wash, because of the vehicle’s reduced
ground clearance.
•try to repair the temporary spare tire or remove it from its wheel.
2003 Grand Marquis(grn)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
170