See also:

Unfastening the rear seatbelts seatbelt
Push the button on the buckle. Before closing the door, make sure that the belts are retracted properly to avoid catching the belt webbing in the door. ...

Turbo models
...

If the front passenger’s frontal airbag ON indicator illuminates and the OFF indicator turns off even when an infant or a small child is in a child restraint system (including booster seat)
Turn the ignition switch to the “LOCK” position if the front passenger’s frontal airbag ON indicator illuminates and the OFF indicator turns off even when an infant or a small child is in a ch ...