Chevrolet 2007 HH7 Owner's Manual page 76

If your vehicle has a roof-mounted side impact
airbag for the right front passenger and the person
directly behind that passenger, it is located in
the ceiling above the side windows.
76
CAUTION:
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If something is between an occupant and
an airbag, the bag might not inflate
properly or it might force the object into
that person causing severe injury or even
death. The path of an inflating airbag must
be kept clear. Do not put anything
between an occupant and an airbag, and
do not attach or put anything on the
steering wheel hub or on or near any
other airbag covering. And, if your vehicle
has roof-mounted side impact airbags,
never secure anything to the roof of your
vehicle by routing the rope or tie down
through any door or window opening. If
you do, the path of an inflating side
impact airbag will be blocked. The path of
an inflating airbag must be kept clear.