Dodge 2009 Caliber - Manual (Page 52)

The front airbags have a multistage inflator design. This
may allow the airbag to have different rates of inflation
that are based on collision severity.
This vehicle may also be equipped with side curtain
airbags to protect the driver and passengers sitting next
to a window. If the vehicle is equipped with side curtain
airbags, they are located above the side windows. Their
covers are also labeled SRS AIRBAG.
Side Curtain Airbag Location
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