2003 Acura MDX ignition

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If the f ront wheels are turned, the
anti-thef t lock may sometimes make
it difficult to turn the key from
LOCK to ACCESSORY. Firmly turn
the steering wheel to the lef t or to
the right as you turn the key. You can insert or
remove the key only in this position.
To switch f rom ACCESSORY to
LOCK, you must push the key in
slightly as you turn it. The shif t lever
must also be in Park. The anti-thef t
lock will lock the steering column
when you remove the key.
The ignition switch is on the right
side of the steering column. It has
f our positions:
LOCK(0)
 ACCESSORY (I)
 ON (II)
 START (III)As required by the FCC: This device complies with Part 15 of theFCC rules. Operation is subject to thef ollowing two conditions: (1) This devicemay not cause harmf ul interf erence, and(2) this device must accept anyinterf erence received, includinginterf erence that may cause undesiredoperation.
Changes or modif ications not expresslyapproved by the party responsible f orcompliance could void the user’sauthority to operate the equipment.
This device complies with IndustryCanada Standard RSS-210.Operation is subject to the f ollowing twoconditions: (1) this device may not causeinterf erence, and (2) this device mustaccept any interf erence that may causeundesired operation of the device.LOCK (0)
Ignition Switch
Keys and Locks
Inst rument s and Cont rols92

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Use this position
only to start the engine. The switch
returns to ON (II) when you let go of
the key.
This is the normal key
position when driving. All f eatures
and accessories on the vehicle are
usable. Several of the lights on the
instrument panel come on as a test
when you turn the ignition switch
f rom ACCESSORY to ON. The engine will not start if the
Immobilizer System does not
recognize the key’s coding (see page
).
In this position,
you can operate the audio system
and the accessory power socket.
You will hear a reminder beeper if
you leave the key in the ignition
switch in the LOCK (0) or
ACCESSORY (I) position and open
thedriver’sdoor.Removethekeyto
turn of f the beeper.Each f ront door has a master door
lock switch. Either switch locks and
unlocks all doors and the tailgate.
Push the switch down to lock all
doors and the tailgate, and up to
unlock them.
91
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ST A RT (III)
Power Door L ocks
ON (II) A CCESSORY (I)
Keys and Locks
Inst rument s and Cont rols93
MASTER DOOR LOCK SWITCH

Each door has a lock tab on the top.
Whenyoupushdownthelocktabon
the driver’s door, all the doors and
the tailgate lock. Pulling up the lock
tab on the driver’s door unlocks only
that door. The lock tabs on the other
doors lock and unlock only that door.
To lock the f ront passenger’s door
when getting out of the vehicle, push
the lock tab down and close the door.
To lock the driver’s door, along withthe remaining doors and the tailgate,
push the lock tab down or push the
master switch down, then close the
door.
All doors and the tailgate can be
locked f rom the outside by using the
key in the driver’s door. To unlock
only the driver’s door f rom the
outside, turn the key and release it.
If you turn the key and hold it, all
doors and the tailgate will unlock.
If you f orget and leave the key in the
ignition switch, Lockout Prevention
will not allow you to lock the driver’s
door. With the driver’s door open
andthekeyintheignition,both
master door lock switches are
disabled. However, if the driver’s
door is not open, the master door
lock switches are not disabled.
Pushing the switch down on the
open passenger’s door will lock all
doors. If you try to lock an open
driver’s door by pushing down the
lock tab, the tabs on all doors pop up.
Pushingdownthelocktabonthe
passenger’s door only locks that door.
L ockout Prevent ion
Keys and Locks
Inst rument s and Cont rols94
LOCK TAB

You can lock and unlock your vehicle
with the remote transmitter. When
you push the LOCK button, all doors
and the tailgate lock. The parking
lights, side marker lights, taillights
and instrument panel lights f lash
once.When you push the LOCK button a
second time within 5 seconds after
you have locked the doors, you will
hear a beep to verify that the
security system has set.
When you push the UNLOCK button
once, only the driver’s door unlocks.
The remaining doors and the tailgate
unlock when you push the button a
second time. The parking lights, side
marker lights, taillights and
instrument panel lights f lash twice
when you push the button.
If you unlock the doors and the
tailgate with the remote transmitter,
but do not open any door or the
tailgate within 30 seconds, all doors
and the tailgate automatically relock.
You cannot lock the doors and the
tailgate with the remote transmitter
if any door or the tailgate is not f ully
closed. You cannot lock or unlock
thedoorsandthetailgatewiththe
key in the ignition switch.
When you press the UNLOCK
button, the f ront and rear individual
map lights and the cargo area light,
depending on their switch positions,
will come on (see page ). If you
do not open any door or the tailgate,
the lights stay on for about 30
seconds, then go out. If you relock
thedoorsandthetailgatewiththe
remote transmitter before 30
seconds have elapsed, the lights will go of f immediately.
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CONT INUED
Remote Transmitter
Keys and Locks
Inst rument s and Cont rols95
LED
UNLOCK
BUTTON PANIC
BUTTON LOCK
BUTTON

Panic mode allows you to remotely
activate your vehicle’s horn and
lights to attract attention. When
activated, the horn will sound, and
the headlights, parking lights, side
marker lights, taillights and
instrument panel lights will f lash f or
about 30 seconds. To activate panic
mode,pressandholdthePANIC
button f or about one second.When the remote transmitter’s
battery begins to get weak, it may
take several pushes on the button to
lock or unlock the doors and the
tailgate, and the LED will get dim.
Replace the battery as soon as
possible.
Battery type: CR2025To replace the battery, place a cloth
on the edge of the transmitter and
remove the upper half by carefully
prying on the edge with a small f lat-
tip screwdriver.
To cancel Panic mode bef ore 30
seconds, press any button on the
remote transmitter. You can also
turn the ignition switch to ON (II).
Panic mode will not activate if the
key is in the ON (II) position.
Panic Mode
Replacing t he Bat t ery
Keys and Locks
Inst rument s and Cont rols96

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Pull up or push down on the f ront of
the switch to move the seat bottom’s
f ront edge up or down. Pull up or
push down on the rear of the switch
to move the rear of the seat bottom
up or down.
Push the horizontal switch forward
or backward to move the seat
forward or backward. The long horizontal switch adjusts
the seat bottom in several directions.
The short vertical switch adjusts the
seat-back angle.
Your Acura has power adjustments
f or the driver’s seat. The two power
seat adjustment switches are on the
outside edge of the seat bottom.
You can adjust the seat with the
ignition switch in any position. Make
all seat adjustments bef ore you start
driving. The Touring package also has power
adjustments f or the f ront passenger’s
seat. The MDX without the Touring
package has manual adjustments.
Thesecondandthirdrowseatsin
both models have manual
adjustments.
See pages f or important saf ety
inf ormation and warnings about how toproperly position seats and seat-backs. 12 13
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Power Seat A djustments
Seats
Inst rument s and Cont rols101

To get into the third row seats, pull
uptheleveronthesideof the
passenger’s side second row seat-
back. The seat-back will tilt f orward,
and the seat will slide f orward.
After you return the seat-back to the
upright position, push the whole seat
backwards until it latches. Make
sure the seat is f ully latched bef ore
sitting in it.The lef t and right halves of the
second seat can be f olded up
separately to create more cargo
space.
If you are f olding the lef t half of
the seat, use the ignition key to
release the center seat belt from
the detachable anchor. Allow the
seat belt to retract into the roof.
Insert the latch plate into the roof
holder. Fold the seat-back forward.
Reverse this procedure to return the
seat to the upright position. Make
sure the seat is locked securely
bef ore driving.
(Lef t half ) Remove the center seat
belt f rom its holder in the roof , and
connect it to the detachable anchor
(see page ).
Pull up the handle on the outside
of the seat-back. Lower the head restraint to its
lowest position.
2.
3.
1.
4.
109
Rear Seat A ccess
Folding the Second Seat
Seats
Inst rument s and Cont rols106
RELEASE LEVER HANDLE

Use the ignition key to release the
seat belt from the detachable
anchor.
To create more cargo space, you can
fold the third seat forward.
To fold the third seat:
Remove the head restraints by
pushing the release buttons and
pulling the restraints out. Store the head restraints in the
storage compartment. Make sure
the head restraints are f ace up
(storing them face down can
damage the compartment or the
headrests), then insert the shaf ts
into the holes in the sides of the
storage compartment.
1. 2.
3.
CONT INUED
Folding the T hird Seat
Seats
Inst rument s and Cont rols107
RELEASE BUTTON