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Transport Canada > Road Safety > Child Safety > Car Time - Stage 3: Safe Travel in a Booster Seat

 
At Stage 3, your child should weighs at least 18 kg (40 pounds), and may be about 4 1/2 years old. Your child is now ready to use a booster seat. The booster seat will keep the seat belt in the correct place over your child’s body. You must use the seat belt to hold the booster seat and child in place.

If you use a booster seat when your child is too small, your child could be hurt during a sudden stop or if your car is in a crash.

TP14339E
ISBN 
0-662-30083-1
Cat. T46-29/1-2001E
Revised March 2006

Illustration of a parent with a child reading the manufacturer's child seat manual.


When to use a booster seat:

  • Only use a booster seat for children who weigh at least 18 kg (40 pounds).
     
  • Use the booster seat each time you go out in the car with your child.

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How to use a booster seat:

  • Choose a booster seat that fits your child and your vehicle.
     
  • Read the instructions for your vehicle and read the instructions that came with the booster seat. This will help you to place your child in the booster correctly. You also need to be sure you are using the correct seat belt system with the booster seat.
Illustration of a child in a highback booster seat wearing a seat belt.

Highback  Booster

  • The back seat is the safest place for your child.
     
  • Always put the shoulder belt over the shoulder and across the chest. Never put the shoulder belt behind the child’s back or under the arm. This could cause a serious injury if there is a crash.
     
  • Always put the lap belt low and snug across the hips. Never let the lap belt ride up over the child’s stomach. This could cause a serious injury if there is a crash.
     
  • Buckle up an empty booster seat with the seat belt so it won’t move around.

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When to replace a booster seat:

  • Replace the booster seat if your car is in a crash. You should do this even if your child was not riding in the booster seat during the crash.
     
  • When it reaches the expiry date.


  • If there is no expiry date, replace a seat that is ten years old.
Illustration of a child in a booster seat wearing a seat belt.

"No Back"  Booster

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Contact Us:

For questions about your car seat, please contact the manufacturer. For more information or to order more copies of this publication, contact:

Transport Canada at: 1-800-333-0371, by email: roadsafetywebmail@tc.gc.ca

Health Canada at: (613) 952-1014, by fax: (613) 941-4376 or by email: cps-spc@hc-sc.gc.ca

 

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You can also download "Car Time - Stage 3: Safe Travel in a Booster Seat" (PDF format, 77Kb). To view PDF documents you must use Adobe® Acrobat Reader. Visit the Adobe site to download the latest, free version.

If you need an alternative format or for more information, please contact us by e-mail at RoadSafetyWebMail@tc.gc.ca or call toll free 1-800-333-0371 (Ottawa area (613) 998-8616).


Last updated: 2006-03-21 Top of Page Important Notices