Chevrolet 2015 City Express Owner's Manual page 85

3-46 Seats and Restraints
7. If the booster seat is installed in
the front passenger seat, place
the ignition switch in the ON
position. The passenger airbag
status indicator may or may not
be lit, depending on the size of
the child and the type of booster
seat being used. For more
information, see Passenger
Airbag Status Indicator on
page 5-10.