Driving with kids in Indiana? Here’s exactly what Indiana law requires for car seats and booster seats — the age and weight thresholds, the fines, and the front-seat rules — drawn from the official IN.gov / Indiana State Police and the statute itself, not a blog summary.
Law data last verified against official state sources: October 4, 2026.
Quick answer
Indiana requires children under 8 to be properly fastened in a child restraint per manufacturer instructions (guidance: rear-facing to 2, booster ~4 to ~8); ages 8–16 need a restraint or belt. Violation is a Class D infraction.
Indiana car seat requirements by age and size
| Stage | What Indiana law requires |
|---|---|
| Rear-facing | Not specified in statute; Indiana Criminal Justice Institute guidance recommends rear-facing until age 2 (guidance, not law). |
| Forward-facing | Not specified in statute (ICJI guidance: forward-facing after age 2). |
| Booster seat | Statute requires children under 8 to be properly fastened per the child restraint manufacturer’s instructions (booster type not separately specified); ICJI guidance: booster once forward-facing is outgrown (~4 yrs/40 lbs) until belts fit (~8 yrs/4’9″). |
| Seat belt only | Age 8+ — under 8: child restraint system; 8 to under 16: child restraint or seat belt, in all seating positions. |
Fines and penalties in Indiana
Fine: Violation is a Class D infraction (dollar amount not stated on official source).
Front seat rules in Indiana
Front-seat rule: not specified in state law. Note: rear seat “strongly recommended” by the state).
The official law
- Statute: IC 9-19-11
- Official source: IN.gov / Indiana State Police
Research note: Indiana’s statute sets no rear/forward/booster stages — only an age-triggered restraint requirement per manufacturer instructions.
Indiana car seat law FAQs
What is the fine for a car seat violation in Indiana?
Fine: Violation is a Class D infraction (dollar amount not stated on official source).
When can my child stop using a booster seat in Indiana?
Statute requires children under 8 to be properly fastened per the child restraint manufacturer’s instructions (booster type not separately specified); ICJI guidance: booster once forward-facing is outgrown (~4 yrs/40 lbs) until belts fit (~8 yrs/4’9″). Age 8+ — under 8: child restraint system; 8 to under 16: child restraint or seat belt, in all seating positions.
Does Indiana law require rear-facing car seats?
Not specified in statute; Indiana Criminal Justice Institute guidance recommends rear-facing until age 2 (guidance, not law).
Can my child ride in the front seat in Indiana?
Front-seat rule: not specified in state law. Note: rear seat “strongly recommended” by the state).
Where can I read the official Indiana car seat law?
Statute: IC 9-19-11 Official source: IN.gov / Indiana State Police.
Check another state
Driving across state lines? Requirements change at the border — use our interactive car seat law checker to look up any state by your child’s age, weight, and height.
Related state guides:
This page is for general informational purposes only and is not legal advice. Child passenger safety laws change — always verify current requirements with your state’s DMV, highway safety office, or the official statute linked below before making decisions.