GMC 2002 Savana Van Owner's Manual page 33

If it says AIR BAG on the middle part of the steering
wheel and AIR BAG on the instrument panel in front of
the right front passenger's seat, your vehicle has two air
--
bags one air bag for the driver and another air bag for
the right front passenger.
1-26
If it says AIR BAG on the middle part of the steering
wheel but it doesn't say AIR BAG on the instrument
panel in front of the right front passenger's seat, your
vehicle has an air bag for the driver only.
If it says AIR BAG on the middle part of the steering
wheel, but there is no right front passenger seat,
your vehicle has an air bag for the driver only.
If it doesn't say AIR BAG on the middle part of the
steering wheel, your vehicle doesn't have air bags.
Frontal air bags are designed to help reduce the risk of
injury from the force of an inflating air bag. But these
air bags must inflate very quickly to do their job and
comply with federal regulations.