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Graco Milestone Car Seat Tutorial: Answers to Commonly Asked Questions

January 8, 2021 by Sam Webster Leave a Comment

To help you get the most enjoyment out of your Graco Milestone car seat, we’ve put together this Milestone tutorial page. On this page you’ll find help with:

  • Graco Milestone car seat tutorials on YouTube (to learn how to use your Milestone car seat quickly)
  • Installation questions
  • Common usage questions/problems

And (as they say in infomercials) much, much more!

Quick Navigation
Graco Milestone Car Seat Tutorial YouTube
Installation Questions
How to Install Graco Milestone Car Seat Forward-Facing
How to Install Graco Milestone Car Seat Rear-Facing
How to Convert Graco Milestone to Booster
Common Usage Questions & Problems Related to Graco Milestone Car Seat
How do you know when your Graco Milestone car seat is installed tight enough?
Can the Graco Milestone be used after a minor crash?
​When to remove Graco Milestone infant insert

Graco Milestone Car Seat Tutorial YouTube

Here are the best YouTube videos we could find to help you learn to use your Graco Milestone car seat:


Netmums’ Influencers Network has a great 6-minute review that covers the features of the Graco Milestone car seat:

Michael Howard provides a 10-minute detailed review and demo for the Graco Milestone car seat:

Kiddicare has an excellent video that shows you how to install the Graco Milestone car seat:

Graco Children’s Products has a detailed video that show you how to remove and replace the car seat cover of the Graco Milestone car seat:

Installation Questions

How to Install Graco Milestone Car Seat Forward-Facing

You can install forward-facing using Graco Milestone car seat with either the LATCH strap or vehicle seat belt:

  • To install forward-facing using the LATCH strap, please follow the steps below.
  1. 1
    Ensure the LATCH strap is in the forward-facing belt path (marked with an orange label).
  2. 2
    Recline the car seat so that it is in recline position 3 or 4.
  3. 3
    Push in on the red buttons on the LATCH connectors and remove them from storage location (please see image below taken from the Instruction Manual).
  1. 4
    Unhook tether and lay it in the seat (please see image below taken from the Instruction Manual).
  1. 5
    Extend the LATCH strap to its maximum length.
  2. 6
    Place the car seat forward-facing in the vehicle’s back seat. Push the car seat firmly so that the back of the car seat touches the vehicle seat back.
  3. 7
    Connect LATCH connectors to the vehicle’s lower LATCH anchors (please see image below taken from the Instruction Manual). Ensure the strap is not twisted.
  1. 8
    Press down firmly at the center of the car seat and tighten the LATCH strap (please see image below taken from the Instruction Manual).
  1. 9
    Attach the top tether strap (please see image below taken from the Instruction Manual) and tighten it.
  • To install forward-facing using the vehicle seat belt, please follow the steps below.
  1. 1
    Recline the car seat so that it is in recline position 3 or 4.
  2. 2
    Push in on the red buttons on the LATCH connectors to the plastic bar and tighten the strap (please see image below taken from the Instruction Manual).
  1. 3
    Place the car seat forward-facing in the vehicle’s back seat. Push the car seat firmly so that the back of the car seat touches the vehicle seat back.
  2. 4
    Unhook tether and lay it in the seat (please see image below taken from the Instruction Manual).
  1. 5
    Route the vehicle seat belt through the forward-facing belt path that is marked with an orange label (please see image below taken from the Instruction Manual). Buckle the seat belt and ensure that it is not twisted.
  1. 6
    Lock the vehicle seat belt by slowly pulling the shoulder belt all the way out and letting it go. After hearing a clicking sound, slowly pull the belt to ensure it is locked.
  2. 7
    Press down firmly at the center of the car seat and pull on the shoulder belt to tighten while feeding the slack back in the retractor (please see image below taken from the Instruction Manual).
  1. 8
    Attach the top tether strap (please see image below taken from the Instruction Manual) and tighten it.

How to Install Graco Milestone Car Seat Rear-Facing

You can install Graco Milestone 3-in-1 car seat rear-facing with either the LATCH strap or vehicle seat belt:

  • To install rear-facing using the LATCH strap, please follow the steps below.
  1. 1
    Ensure the LATCH strap is in the rear-facing belt path (marked with a blue label).
  2. 2
    Recline the car seat so that it is in recline position 1 or 2.
  3. 3
    Push in on the red buttons on the LATCH connectors and remove them from storage location (please see image below taken from the Instruction Manual).
  1. 4
    Extend the LATCH strap to its maximum length.
  2. 5
    Place the car seat rear-facing in the vehicle’s back seat. The front of the car seat must touch the vehicle seat back.
  3. 6
    Adjust the seat until the ball is completely in the blue zone in the Rear-facing Level Indicator. Your vehicle must be on level ground when you check the indicator.
  4. 7
    Connect LATCH connectors to the vehicle’s lower LATCH anchors (please see image below taken from the Instruction Manual). Ensure the strap is not twisted.
  1. 8
    Press down firmly at the center of the car seat and tighten the LATCH strap (please see image below taken from the Instruction Manual).
  1. 9
    Check the rear-facing Level Indicator again to ensure the ball is completely within the blue zone. Readjust the car seat or place rolled towels under the car seat if needed.
  • To install rear-facing using the vehicle seat belt, please follow the steps below.
  1. 1
    Recline the car seat so that it is in recline position 1 or 2.
  2. 2
    Store the top tether hook. Push in on the red buttons on the LATCH connectors and remove them from storage location (please see images below taken from the Instruction Manual).
  1. 3
    Remove the slack from both straps.
  2. 4
    Place the car seat rear-facing in the vehicle’s back seat. The front of the car seat must touch the vehicle seat back.
  3. 5
    Adjust the seat until the ball is completely in the blue zone in the Rear-facing Level Indicator. Your vehicle must be on level ground when you check the indicator.
  4. 6
    Route the vehicle seat belt through the rear-facing belt path that is marked with a blue label (please see image below taken from the Instruction Manual).
  1. 7
    Ensure the strap is not twisted. The vehicle seat belt must be in front of the buckle strap (please see image below taken from the Instruction Manual).
  1. 8
    Lock the vehicle seat belt by slowly pulling the shoulder belt all the way out and letting it go. After hearing a clicking sound, slowly pull the belt to ensure it is locked.
  2. 9
    Press down firmly at the center of the car seat and pull on the shoulder belt to tighten (please see image below taken from the Instruction Manual).
  1. 10
    Check the rear-facing Level Indicator again to ensure the ball is completely within the blue zone. Readjust the car seat or place rolled towels under the car seat if needed.

How to Convert Graco Milestone to Booster

  • To install booster using the Graco Milestone car seat, please follow the steps below.
  1. 1
    Store the harness by following the steps below.
  • Loosen the harness straps.
  • Raise the headrest to the highest position.
  • Unbuckle the chest clip and buckle.
  • Remove the lower seat pad to expose the harness storage door.
  • Move the buckle strap to the rear slot.
  • Open the harness storage door. Close the door after placing the harness, chest clip, buckle and buckle tongues inside the compartment.
  • Move the headrest back to a proper position that is suitable for your child.
  1. 2
    Recline the car seat so that it is in recline position 4.
  2. 3
    Place the car seat forward-facing in the vehicle’s back seat. The base of the car seat should sit as flat as possible on the vehicle seat.
  3. 4
    Route the vehicle shoulder belt through the shoulder belt guide found on the headrest (please see image below taken from the Instruction Manual).

Common Usage Questions & Problems Related to Graco Milestone Car Seat

How do you know when your Graco Milestone car seat is installed tight enough?

To check whether the car seat is installed tight enough, please follow the steps below.

  1. 1
    Grab the sides of the car seat where the LATCH strap or vehicle seat belt is.
  2. 2
    Slide the car seat side to side.
  3. 3
    Slide the car seat front to back.
  4. 4
    The car seat is tight enough if the seat moves less than 1 inch.

Can the Graco Milestone be used after a minor crash?

No, the Graco Milestone car seat must be replaced after a crash. Even a minor crash can cause unseen damage to the car seat. Using the car seat again may result in injury or death.

​When to remove Graco Milestone infant insert

You may remove the infant insert when your baby no longer needs it. If your baby’s shoulders are above the bottom slots without the insert, you may remove the insert.

Sam Webster

With two kids of my own, I’m passionate about child safety! I’m a research nerd who’s on a mission to make the world a safer place for kids – starting with car seats!

To contact me directly please click here.

Filed Under: Graco

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Hey! I’m Sam, mom of Sadie and Xavier.

When I started searching for a convertible car seat I was overwhelmed by the choices out there.

But being a research nerd, I relished the challenge of finding the best seat for my needs. And in the process, I gathered a ton of info!

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