Pontiac 2006 Vibe Owner's Manual page 60

If your vehicle has a roof-mounted side impact airbag
for the driver and the passenger seated directly
behind the driver, it is in the ceiling above the side
windows.
1-54
If your vehicle has a roof-mounted side impact airbag
for the right front passenger and the passenger
seated directly behind that passenger, it is in the ceiling
above the side windows.