Cadillac 2004 DeVille - Manual (Page 56)

There is an air bag readiness light on the instrument
panel, which shows the words AIR BAG or an air
bag symbol.
The system checks the air bag electrical system for
malfunctions. The light tells you if there is an electrical
problem. See Air Bag Readiness Light on page 3-47
for more information.
Where Are the Air Bags?
The driver’s frontal air bag is in the middle of the
steering wheel.
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