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Brake and Throttle Modulation for
Enhanced Mobility
The use of this technique will give the driver the ability
to traverse challenging obstacles with more confidence,
safety and care to both the vehicle and the terrain.
It allows the driver to gain control of the vehicle
systems and place power and wheel torque where
it is needed most. This is how it works:
For logs, walls, rocks, severe ditches, etc.
1. Bring the vehicle to a complete stop. Do not
overspeed the engine.
2. Select the proper transmission and transfer case
gear range, usually FIRST (1) gear, 4LO Lock for
such obstacles.
3. If wheel spin is experienced, let up on the throttle
to slow the wheel spin.
4. Slowly, press the brake pedal with your left foot
so all wheel spin is halted.
5. With the brake still applied, start pressing the
throttle. As the engine gains power, gradually reduce
the pressure applied to the brake. You can “feel”
torque being distributed to the wheel that has the
most traction as the vehicle starts to move. Once the
vehicle is moving, hold the brake steady until all
four wheels have cleared the obstacle.
6. After the first wheel crosses the obstacle,
be prepared to modulate the brake and throttle
for the other wheels.