Ford 1996 Crown Victoria Manual page 195

To avoid injury, never run the engine
with one wheel off the ground, such as
when changing a tire.
Traction Assist
Your vehicle may be equipped with the optional
TM
Traction Assist
prevent wheel spin in order to improve tire
traction and is an especially useful feature when
you drive in hilly areas or on slippery, icy or
snowy roads.
TM
Traction Assist
applying and releasing the brakes to prevent one
or both of the rear drive wheels from spinning
during acceleration.
During the Traction Assist
most often occurs during low speed acceleration
on slippery surfaces, a noise may be heard
coming from the engine compartment. This noise
is created by the ABS pump and is normal and
may last for a few seconds during the
acceleration of the vehicle.
In general, this system improves your vehicle's
stability and acceleration performance when road
conditions warrant. Traction Assist is fully
effective up to approximately 25 mph
(40 km/h). At 25 mph (40 km/h) the function
begins to taper off until it no longer operates
above 34 mph (55 km/h).
If the Traction Assist
excessively, the system will shut down to
prevent the rear brakes from overheating.
During this shutdown period, the word OFF in
the traction assist switch will be illuminated
showing that the traction assist system is
RWARNING
TM
(If equipped)
system. This system helps
works automatically by rapidly
TM
function, which
TM
system is cycled
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