Ford 1997 Aerostar Manual page 271

authorized service center can perform a detailed
OBD II drive cycle as it would any other type of
repair work.
Lights and Bulb Replacement
It is a good idea to check the operation of the
following lights frequently:
headlamps
high-mount brakelamp
tail lamps
brakelamps
hazard flasher
turn signals
license plate lamps
The alignment of your headlamps should be
checked if:
oncoming motorists frequently signal you to
turn off your vehicle's high beams when you
do not have the high beams on
the headlamps do not seem to give you
enough light to see clearly at night
the headlamp beams are pointed substantially
away from a position slightly down and to
the right
Headlamp Bulb
The headlamps on your vehicle use replaceable
bulbs. When the lamp burns out, simply replace
the bulb, rather than the whole lamp.
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