Chevrolet 2006 Malibu Owner's Manual page 66

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.
1-60
If your vehicle has a roof-mounted side impact airbag
for the right front passenger and the person seated
directly behind that passenger, it is in the ceiling above
the side windows.