Simple Car Seat Mistakes That Could Have Deadly Consequences
You Didn’t Use the Top Tether While Forward-Facing
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The top tether should be connected after you change your child to a forward-facing car seat setup. The top tether is used to ensure your child’s head is not violently thrown forward in the event of a car crash.
The tether should be tightened after you have hooked in the car seat using a seat belt or lower anchors, whichever your manufacturer supports.