Chevrolet TrailBlazer 2003 Manual page 58

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 3-36
for more information.
1-52
There is an air bag
readiness light on the
instrument panel cluster,
which shows the air
bag symbol.
Where Are the Air Bags?
The driver's frontal air bag is in the middle of the
steering wheel.