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A child should use a booster seat until the adult seat belt fits, usually at about what height?

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  1. About 3 feet 4 inches
  2. About 4 feet 9 inches
  3. About 5 feet 6 inches

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References

  1. IIHS: Child safety www.iihs.org/topics/child-safety Checked 2026-10-09.
  2. California Driver's Handbook, Section 8: Safe Driving (Continued) www.dmv.ca.gov/portal/handbook/california-driver-handbook/safe-driving-cont1 Checked 2026-10-09.
  3. CDC: Child Passenger Safety www.cdc.gov/child-passenger-safety/about/index.html Checked 2026-10-09.

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