Ford 1998 Windstar Owner's Manual page 231

To avoid skidding and losing control on slippery roads,
do not downshift into 1 (First) when you are moving
faster than 20 mph (32 km/h).
The Anti-Lock Brake System may not prevent brake
lock-up on extremely slippery surfaces.
High water
Do not drive through flooded areas unless you are sure that the
water is below the bottom of the wheel hubs.
If you must drive through high water, drive slowly. You may
have limited traction or wet brakes so allow extra stopping
distance because your vehicle will not stop as quickly as usual.
After you drive through the standing water, apply your brakes
gently several times as your vehicle moves slowly to help dry
the brakes.
Rocking the Vehicle
If your vehicle gets stuck (for example, in mud or snow), you
may rock it out. Shift in a steady rhythm between forward and
reverse gears. At the same time, press lightly on the accelerator.
If you are still stuck after a few minutes of rocking, call for a
tow truck.
NOTE: If your vehicle is equipped with Traction Control,
make sure the system has been turned off before
attempting to rock the vehicle.
See Traction Control Off Light in the Instrumentation section of
this guide for more information.
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