Ford 1997 Aerostar Manual page 230

If you disconnect the battery, the engine must
"relearn" its idle conditions before your vehicle
will drive properly. To find out how the engine
does this, see Battery in this chapter.
Working with the engine off:
1. Set the parking brake fully and make sure
that the gearshift is securely latched in P
(Park).
2. Remove the key from the ignition after you
turn the engine off.
3. Block the wheels. This will prevent your
vehicle from moving unexpectedly.
Working with the engine on:
1. Set the parking brake fully and make sure
that the gearshift is securely latched in P
(Park).
2. Block the wheels. This will prevent your
vehicle from moving unexpectedly.
Do not start your engine with the air
cleaner removed and do not remove it
while the engine is running.
Opening the Hood
1. Pull the hood release handle, located next to
the parking brake pedal.
RWARNING
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