2003 Acura MDX automatic transmission

Put a cloth on the edge of the Shif t
Lock Release slot cover next to
theshiftlever.Useasmallflat-
tipped screwdriver or small metal
plate (neither are included in the
tool kit) to remove the cover.
Caref ully pry on the edge of the
cover.Insert a screwdriver in the Shif t
Lock Release slot.
Push down on the screwdriver
while you press the release button
and move the shif t lever out of
Park to Neutral.
To release the Reverse Lockout,
move the shift lever from Neutral
to Reverse, then to Park.Remove the screwdriver f rom the
shif t lock release slot, then install
anewcover.
Depress the brake pedal and
restart the engine.
If you need to use the Shif t Lock
Release, it means your vehicle is
developing a problem. Have the
vehicle checked by your Acura
dealer.
3. 4.
5.6.
Automatic Transmission
Driving258
COVER
SHIFT LOCK RELEASE SLOT

To engage the VTM-4 Lock:To disengage the VTM-4 Lock, do
one of the f ollowing:
Press the VTM-4 Lock button.
Move the shift lever to D , D or
D.
Turn the ignition to OFF (0).
When you restart your MDX, the
VTM-4 Lock f eature will be of f .
The VTM-4 Lock will temporarily
disengage when the vehicle speed
exceeds 18 mph (30 km/h). It will
automatically engage again as the
speed slows below 18 mph (30
km/h). The light in the VTM-4 Lock
button will remain on the whole time.
The vehicle speed must be below
18 mph (30 km/h).
Move the shift lever to first (1),
second (2) or reverse (R) gear. To
shif t Reverse f rom Neutral, come
to a complete stop and then shift.
Press the VTM-4 Lock button.
The light in the button will come
on.
To get unstuck, apply light pressure
to the accelerator pedal. Do not spin
the f ront tires f or more than a f ew
seconds. Because of the amount of
torque applied to the rear tires, they
should not spin. This is normal. If
you are not able to get the vehicle to
move, apply the brakes to stop the
wheels, then reverse direction. 1.
2.
3.
34
5
Driving
Variable Torque Management 4WD System
260
Do not continuously spin the f ront tires
of your MDX. Continuously spinning
the f ront tires can cause transmission
or rear dif f erential damage.

When climbing hills, closely watch
your temperature gauge. If it nears
the red (Hot) mark, turn the air
conditioning of f , reduce speed and, if
necessary, pull to the side of the
road to let the engine cool.
If the transmission shif ts f requently
while going up a hill, shif t down one
gear.
If you must stop when f acing uphill,
use the f oot brake or parking brake.
Do not try to hold the vehicle in
placebypressingontheaccelerator,
as this can cause the automatic
transmission to overheat.
When driving down hills, reduce
your speed and shif t down to D . Do
not ‘‘ride’’ the brakes, and remember
it will take longer to slow down and
stop when towing a trailer.Crosswinds and air turbulence
caused by passing trucks can disrupt
your steering and cause your trailer
to sway. When being passed by a
truck or other large vehicle, keep a
constant speed and steer straight
ahead. Do not try to make quick
steering or braking corrections.
Always drive slowly and have
someone guide you when backing up.
Grip the of the steering
wheel; then turn the wheel to the lef t
to get the trailer to move to the lef t,
andturnthewheelrighttomovethe
trailer to the right.
Follow all normal precautions when
parking, including putting the
transmission in PARK and f irmly
setting the parking brake when you
have f inished parking.
Donotparkonaninclineunlessitis
unavoidable. If you must park on an
incline, turn the vehicle wheels
toward the curb on a downhill and
awayfromthecurbonanuphill.
After parking, place wheel chocks at
each trailer tire, on the downhill side.
If the vehicle wheels slip when
retrieving a boat f rom the water,
shifttofirstgearandturnonVTM-4
Lock (see page ).
Disengage VTM-4 Lock as soon as
the boat is out of the water to
prevent damage to the VTM-4
system.
259
3
bottom
Driving on Hills
Handling Crosswinds and
T urbulence
Backing Up Parking
Ret rieving a Boat
Towing a Trailer
Driving282

Your MDX can be towed behind a
motorhome at legal highway speeds
up to 65 mph (100 km/h). Do not
exceed 65 mph (100 km/h).
Otherwise, severe transmission
damage will occur. To avoid damage
to the 4WD system, it must be towed
with all f our wheels on the ground
(f lat towing).
When purchasing a tow bar, make
sure you select a reputable
manuf acturer and installer. Follow
the manufacturer’s attachment
instructions caref ully.If you tow more than 8 hours in one
day, you should repeat the above
procedure at least every 8 hours.
(when you stop f or f uel, etc.)
Do the f ollowing to prepare your
MDX f or ‘‘f lat towing.’’ Perf orm this
procedure every day immediately
bef ore you begin towing, and f ollow
this procedure exactly; otherwise,
severe automatic transmission
damage will occur. Check the transmission f luid level
(see page ). Maintaining the correct f luid level
is very important.
Start the engine.
Leave the ignition switch in
ACCESSORY (I) so the steering
wheel does not lock. Make sure
the radio and any items plugged
into the accessory power sockets
are turned of f so you do not run
down the battery. Release the parking brake. ShifttoD ,thentoN.Letthe
engine run f or three minutes, then
turn of f the engine. Press on the brake pedal. Shif t the
lever through all the positions (P,
R,N,D,D,D,2,1)
317
Do not overf ill.
5
543
CONT INUED
Ext ended T owing
Towing Your Vehicle Behind a Motorhome
Driving283

This section explains the importance
of keeping your vehicle well
maintained and why you should
f ollow basic maintenance saf ety
precautions.
This section also includes
Maintenance Schedules f or normal
driving and severe driving conditions,
a Maintenance Record, and instruc-
tions f or simple maintenance tasks
you may want to take care of
yourself .......................
Maintenance Saf ety .294
.
Important Safety Precautions . 295
.................
Maintenance Schedule . 296
...
Required Maintenance Record . 303
.......
Owner Maintenance Checks . 305
..............................
Fluid Locations .306
......................................
Engine Oil .307
..................................
Adding Oil .307
....................
Recommended Oil .307
..............................
Synthetic Oil .308
....................................
Additives .308
.....
Changing the Oil and Filter . 309
.............................
Cooling System .311
............
Adding Engine Coolant . 311
.......
Replacing Engine Coolant . 313
....................
Windshield Washers .316
....
Automatic Transmission Fluid . 317
..........................
Dif f erential Fluid .318
.............
Transf er Assembly Fluid . 318
....................................
Brake Fluid .319
............................
Brake System .319
..............................
Power Steering .320
.....................
Air Cleaner Element .321
....................................
Hood Latch .323
....................................
Spark Plugs .323
..............................
Replacement .323 ............................
Specif ications .325
...........................................
Battery .326
.................................
Wiper Blades .328
..............
Air Conditioning System . 330
..................
Dust and Pollen Filter . 331
.....................................
Drive Belts .331
....................................
Timing Belt .332
...............................................
Tires .332
......................................
Inf lation .332
..................................
Inspection .334
..............................
Maintenance .335
.............................
Tire Rotation .335
...
Replacing Tires and Wheels . 336
......................
Wheels and Tires .337
..........................
Winter Driving .337
.............................
Snow Tires .338
............................
Tire Chains .338
.............................................
Lights .339
.....................
Headlight Aiming .341
........................
Replacing Bulbs .341
....................
Storing Your Vehicle .349
If you have the skills and tools to per-
f orm more complex maintenance
tasks on your Acura, you may want
to purchase the Service Manual. See
page f or inf ormation on how to
obtain a copy, or see your Acura
dealer.
405
Maintenance
Maint enance293

µµ µ
µ
µ µ
Youshouldcheckthefollowing
items at the specif ied intervals. If
you are unsure of how to perf orm
any check, turn to the page given.
Engine oil level Check every
time you fill the fuel tank. See
page .
Engine coolant level Check the
radiator reserve tank every time
you f ill the f uel tank. See page .Tires Check the tire pressure
monthly. Examine the tread f or
wear and foreign objects. See page
.
Automatic transmission Check
the f luid level monthly. See page .
Brakes Check the f luid level
monthly. See page . Lights Check the operation of
the headlights, parking lights,
taillights, high-mount brake light,
turn signals, brake lights, and
license plate lights monthly. See
page .
240
241
317 319 332
339
Owner Maintenance Checks
Maint enance305

Fluid Locations
Maint enance306
ENGINE OIL DIPSTICK
(Orange loop)
WASHER FLUID
(Blue cap)COOLANT
RESERVOIR
POWER STEERING
FLUID (Red cap) RADIATOR CAP ENGINE OIL FILL CAPAUTOMATIC
TRANSMISSION
FLUID DIPSTICK
(Yellow loop)
BRAKE FLUID
(Gray cap)

Check the f luid level with the engine
at normal operating temperature.Park the vehicle on level ground.
Shut of f the engine.
Remove the dipstick (yellow loop)
f rom the transmission and wipe it
with a clean cloth.
Insert the dipstick all the way into
the transmission. Remove the dipstick and check
the f luid level. It should be
between the upper and lower
marks.
If the level is below the lower
mark, add f luid into the tube to
bring it to the upper mark. Always
use Honda ATF-Z1 (Automatic
Transmission Fluid). If it is not
available, you may use a
DEXRON
III automatic
transmission f luid as a temporary replacement. However, continued
use can affect shift quality. Have
the transmission f lushed and
ref illed with Honda ATF-Z1 as
soon as it is convenient.
To thoroughly f lush the
transmission, the technician
should drain and ref ill it with
Honda ATF-Z1 (Automatic
Transmission Fluid), then drive
the vehicle a short distance. Do
this three times. Then drain and
ref ill the transmission a f inal time.
If you are not sure how to add f luid,
contact your Acura dealer. The transmission should be drained
and ref illed with new f luid according
to the time and distance recommen-
dations in the maintenance schedule. Insert the dipstick all the way back
in the transmission.
1.
2.
3. 5.
6.
4.
Maint enance
Automatic Transmission Fluid
317
DIPSTICK DIPSTICK
LOWER MARK UPPER MARK