Chevrolet Malibu 2007 Malibu Owner's Manual page 78

If your vehicle has a seat-mounted side impact
airbag for the right front passenger, it is in the side
of the passenger's seatback closest to the door.
78
If your vehicle has a roof-mounted side impact
airbag for the driver and the person seated directly
behind the driver, it is in the ceiling above the
side windows.