Hummer 2003 H2 Owner's Manual page 43

Infant. An infant (less than 1 year old) must ride in the
front seat because:
D
my vehicle has no rear seat;
D
my vehicle has a rear seat too small to accommodate
-
a rear facing infant seat; or
D
the infant has a medical condition which, according
to the infant's physician, makes it necessary for the
infant to ride in the front seat so that the driver can
constantly monitor the child's condition.
Child age 1 to 12. A child age 1 to 12 must ride in the
front seat because:
D
my vehicle has no rear seat;
D
although children ages 1 to 12 ride in the rear
seat(s) whenever possible, children ages 1 to 12
sometimes must ride in the front because no space
is available in the rear seat(s) of my vehicle; or
D
the child has a medical condition which, according
to the child's physician, makes it necessary for the
child to ride in the front seat so that the driver can
constantly monitor the child's condition.
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