Chevrolet 2005 Express Van Owner's Manual page 50

Cargo Vans and Cab and Chassis
Models without an Airbag Off Switch
The child restraint must be secured properly in the right
front passenger seat. If your vehicle has a passenger
airbag, never use a rear-facing child restraint in this
vehicle Here is why:
CAUTION:
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A child in a rear-facing child restraint can be
seriously injured or killed if the passenger's
airbag inflates. This is because the back of the
rear-facing child restraint would be very close
to the inflating airbag. Do not use a rear-facing
child restraint in this vehicle.
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CAUTION: (Continued)
CAUTION: (Continued)
If you need to secure a forward-facing child
restraint in the front passenger position,
always move the front passenger seat as far
back as it will go.
Keep in mind that an unsecured child restraint can
move around in a collision or sudden stop and injure
people in the vehicle. Be sure to properly secure
any child restraint in your vehicle — even when no child
is in it.