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car seat installation

How to Fit Child Seats in the Toyota Grand Highlander Hybrid’s Second and Third Rows

Use both manuals to confirm the approved child-seat position and installation method in each row of the Toyota Grand Highlander Hybrid.

By CarCody Team 3 min read

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Use the Toyota owner’s manual for your exact model year and seating layout together with the instructions for your child restraint. The 2024 Grand Highlander Hybrid manual covers seat-belt installation, lower anchors and top tethers in the second and third rows, but anchor availability and permitted methods vary by seating position. Do not assume a restraint will fit a particular seat until both sets of instructions allow the installation.

Start with the child restraint and the exact vehicle configuration

Choose a child restraint that accommodates your child’s height and weight, then follow its manufacturer’s instructions for installation and use. NHTSA’s car seat and booster seat guidance can help with selection and general safety guidance.

Next, consult the owner’s manual for the vehicle’s exact model year, market and seating configuration. The 2024 Toyota Grand Highlander Hybrid manual explains approved installation methods and anchor locations, but those directions should not be assumed to apply unchanged to another year or configuration. Identify the intended position—second-row outboard, second-row center or a third-row seat—and confirm its permitted installation method.

Choose between lower anchors and the seat belt

Lower anchors may be used only when the vehicle manual and the restraint instructions both permit them for that seating position. Toyota warns not to attach two child-restraint attachments to a single lower anchor. A seat-belt installation may be appropriate where lower anchors are unavailable or not allowed; use the method specified by the restraint maker and vehicle manual.

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Do not infer that a seat has lower anchors just because a tether anchor is present. The manuals distinguish the anchors’ locations and functions, so check each one separately.

What to know about the second-row center seat

In eight-passenger models, Toyota says the second-row center seat has no dedicated lower anchors. The inboard lower anchors for the two outboard seats are 18.6 inches (472.9 mm) apart. Toyota permits using those anchors for a center-position restraint only if that restraint’s manufacturer allows the stated spacing. Toyota also says rigid lower attachments cannot be installed in the center position.

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If the restraint’s instructions do not permit that anchor spacing or attachment type, do not use the outboard seats’ anchors for a center installation. Check whether the restraint can instead be installed there with the seat belt, following both manuals.

Installing in the third row

Toyota’s 2024 Grand Highlander Hybrid manual includes child-restraint instructions for the third row. Toyota Canada’s 2026 Grand Highlander features page also says the vehicle has lower-latch and tether placement that allows child seats to be secured in the third row. That is a Canadian-market feature statement, not a substitute for checking the anchor locations and approved method in your own vehicle’s manual.

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Before installing, confirm that the selected third-row position has the anchors required by your restraint and that the restraint can be secured as its instructions specify. Follow any top-tether directions that apply to the restraint and use only the designated tether anchor.

Use the top tether where the instructions require it

Check the restraint instructions and vehicle manual to see whether a top tether is required for your installation. Toyota identifies tether locations in the second and third rows and warns against attaching the strap anywhere other than a designated tether anchor. Do not treat a convenient-looking hook or other point as a tether anchor.

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Check the installation and get help if needed

  1. Confirm the position and method: Match the child’s restraint, the vehicle seat and the permitted belt or lower-anchor method in both manuals.
  2. Install the restraint: Follow the restraint maker’s steps, including any applicable top-tether instructions. Do not exceed the anchor-use restrictions in the vehicle manual.
  3. Check security: Toyota instructs owners to rock the installed restraint to check that it is secure. Follow the restraint maker’s directions for assessing tightness and correct installation.
  4. Recheck after adjustment: Toyota says to reconfirm the restraint’s security after adjusting a seat.

If you cannot achieve a secure installation permitted by both manuals, ask a qualified child passenger safety technician or inspection service for help. General vehicle features alone do not establish compatibility with a particular child-seat model.

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