Ford 2003 Mustang Owner's Manual page 46

Controls and features
Do not use the speed control in heavy traffic
or on roads that are winding, slippery, or
unpaved.
Do not shift the gearshift lever into N
(Neutral) with the speed control on.
To turn speed control off
Press OFF or
Turn off the vehicle
ignition.
Once speed control is switched off, the previously
programmed set speed will be erased.
To set a speed
Press SET/SET ACC/
SET ACCEL. For
speed control to
operate, the speed
control must be ON
and the vehicle
speed must be
greater than 48 km/h
(30 mph).
If you drive up or down a steep hill, your vehicle
speed may vary momentarily slower or faster than
the set speed. This is normal.
Speed control cannot reduce the vehicle speed if it
increases above the set speed on a downhill. If your
vehicle speed is faster than the set speed while
driving on a downhill, you may want to shift to the
next lower gear or apply the brakes to reduce your
vehicle speed.
46
ON
OFF
RESUME
SET
ACCEL
COAST