The fire jane exo child car seat is easily fitted into your car by using the isofix attachments or by using the 3 point seat belt system if your vehicle does not have isofix the harness tensioning system also increases safety for your child offering you piece of mind features easy installation by either isofix or by using the adult 3 point seat belt new system for tensioning the harness which reduces the movement of the child in the event of an accident patented with this system the harnes