wheel torque Acura MDX 2003 Owner's Manua

The Variable Torque Management
4WD System (VTM-4) automatically
transf ers varying amounts of engine
torque to the rear wheels.If more traction is needed when your
MDX is stuck or is likely to become
stuck, you can use the VTM-4 Lock
button to increase torque to the rear
wheels when the shif t lever is in the
1, 2 or R position. As soon as this
f eature is no longer needed, press
the VTM-4 Lock button again to
disengage the VTM-4 Lock.
Variable Torque Management 4WD System
Driving
VTM-4 Lock
259
Do not use the VTM-4 Lock button on
dry, paved roads. Driving on dry,
paved roads with VTM-4 Lock ON may
damage the rear dif f erential when
making a turn. Strange noises and
vibration can also result.

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.

Tighten the wheel nuts securely in
the same crisscross pattern. Have
the wheel nut torque checked at
the nearest automotive service
f acility.
Tighten the wheel nuts to:
Remove the center cap from the
flat tire.Place the f lat tire f ace up under
the hoist.
Slowly turn the wheel wrench
clockwisetotakeuptheslackof
the hoist cable. Make sure the
bracketisseatedinthecenter
hole of the spare tire.
Turn the wheel wrench clockwise
until the f lat tire rests against the
underbody of the vehicle and you
hear the hoist click.
Insert the hoist bracket into the
center hole of the f lat tire.
18.
19. 20.
21.
22.
23.
Changing a Flat T ire
T aking Care of t he Unexpect ed366
80 lbf·ft (108 N·m , 11 kgf·m)