Ford 1996 Windstar Manual page 302

Never get under a vehicle while it is supported by a jack
only. If you must work under a vehicle, use safety stands.
Keep all lit cigarettes and other smoking materials away
from the battery and all fuel-related parts.
Working Under the Hood
Before you open the hood, read this section carefully.
If you plan to work under the hood while the engine is
off:
Set the parking brake and make sure the gearshift is
securely latched in P (Park). This will prevent your
vehicle from moving unexpectedly.
Always remove the key from the ignition after you turn
off the engine.
If you must work under the hood while the engine is
on:
Set the parking brake and make sure that the gearshift is
securely latched in P (Park). This will prevent your
vehicle from moving unexpectedly.
Do not wear loose clothing or jewelry that can get caught
in the moving parts.
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