Dodge 2009 Caliber SRT4 Owner's Manual page 51

THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 49
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.
2
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