Nissan X-Trail e-POWER 2023 Owners Manual
4.4.2. Universal child restraints for front seat and rear seats
Universal child restraints approved to UN Regulation No.44 (UN R44) or UN Regulation No.129 (UN R129) are clearly marked "Universal".
When selecting any child restraint, keep the following points in mind:
Choose a child restraint that complies with the UN R44 or UN R129.
Place your child in the child restraint and check the various adjustments to be sure the child restraint is compatible with your child. Always follow all of the recommended procedures.
Check the child restraint in your vehicle to be sure it is compatible with vehicle’s seat belt system.
Refer to the tables later in this section for a list of the recommended fitment positions and the approved child restraints for your vehicle.
Owners Manual