Tesla Y 2019 Owner's Manual page 37

Second Row Outboard Seats
Infants and children can occupy a second row outboard seat using either belt-based, or ISOFIX (IU)//i-Size (i-U)
child restraint systems.
Larger children can also occupy a second row outboard seat using a booster seat, either attached to the lower
anchor bars or belted, as described in the instructions provided by the child restraint system manufacturer.
The second row outboard seats support the use of the following ISOFIX size classes:
• Size class A, B, and B1 forward-facing.
• Size class C, D and E rear-facing.
NOTE: All rear seats support the use of upper tether straps (see
NOTE: Before installing a child restraint system, ensure the seat's corresponding back rest is adjusted to the most
upright position.
NOTE: To accommodate large rear-facing ISOFIX child restraint systems (size class C), you may need to move the
corresponding front seat forward to the mid-track position (up to 13 cm forward of the rearmost position), raise the
seat upward (2 cm from its lowest position), and angle the seat back as needed.
Seating and Safety Restraints
Child Safety Seats
Attaching Upper Tether Straps on page 39).
35