Vehicle airbag system with variable deployment

A vehicle, comprising:

• a vehicle body defining an occupant compartment;
• two or more rows of seats disposed in the occupant compartment, the two or more rows of seats including a first seat row and a second seat row;
• and
• a safety system for an occupant of a seat of the two or more rows of seats of the vehicle, including:
• an airbag selectably inflatable by an inflator operably connected to the airbag;
• one or more deployment mechanisms operably connected to the airbag to control deployment of the airbag;
• and
• a controller operably connected to the one or more deployment mechanisms;
• wherein the controller is configured to modify operation of the one or more deployment mechanisms as a result of detecting one or more characteristics of the occupant;
• wherein the one or more deployment mechanisms includes one or more tethers having an adjustable tether length;
• wherein adjusting the tether length modifies one or more of a shape, a size or a position of the airbag upon inflation of the airbag;
• wherein the airbag is toroidal in shape;
• and
• wherein the one or more tethers extend in a circumferential direction along the toroidal shape of the airbag.