2013 Nissan Sentra Owner's Manual - Page 45

WRS0680 LRS0667 LRS0668 Forward-facing - step 3 3. Route the seat belt tongue through the child restraint and insert it into the buckle until you hear and feel the latch engage. Be sure to follow the child restraint manufacturer's instructions for belt routing. If the child restraint is equipped with a top tether strap, route the top tether strap and secure the tether strap to the tether anchor point. See "Installing top tether strap" in this section. Do not install child restraints that require the use of a top tether strap in seating positions that do not have a top tether anchor. Forward-facing - step 4 4. Pull the shoulder belt until the belt is fully extended. At this time, the seat belt retractor is in the Automatic Locking Retractor (ALR) mode (child restraint mode). It reverts to Emergency Locking Retractor (ELR) mode when the seat belt is fully retracted. Forward-facing - step 5 5. Allow the seat belt to retract. Pull up on the shoulder belt to remove any slack in the belt. 1-28 Safety-Seats, seat belts and supplemental restraint system