Ford 1997 Crown Victoria Manual page 28

High Beam Light
This light illuminates when the headlamps are
turned to high beam or when you flash the
lights.
The high beam light
Check Engine Warning Light
This light illuminates when the engine's
Emission Control System requires service. It will
also illuminate when the ignition key is in the
ON position and the engine is off.
The check engine warning light
Air Bag Readiness Light
The air bag system uses a readiness light and a
tone to indicate the condition of the system. The
readiness light is in the instrument cluster. When
you turn the ignition key to the ON position,
this light will light up for six (6) seconds and
then turn off. This indicates that the system is
operating normally. NOTE: Regularly scheduled
maintenance of the air bag system is not
required.
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