Ford Windstar Owner's Manual page 101

NOTE: Do not place heavy objects in the cupholders.
The controls on the steering column and wheel are designed to
give you easy access to the controls while you are driving.
Ignition
Understanding the Positions of the Ignition
The ignition positions
ACCESSORY allows you to operate some of your vehicle's
electrical accessories while the engine is not running. For
example, you can use ACCESSORY to turn on the radio or
windshield wipers without starting the engine.
LOCK locks the steering wheel and the gearshift lever.
OFF allows you to shut off the engine and all accessories
without locking the steering wheel, or the gearshift lever.
ON allows you to test your vehicle's warning lights to make
sure they work before you start the engine. The key returns to
the ON position once the engine is started and remains in this
position while the engine runs.
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