Arizona Forward-Facing Car Seat Laws: Age, Weight, and Penalties

Arizona’s forward-facing car seat laws are set by ARS § 28-907, and the statute does something that surprises many parents: it never names a specific age or weight for turning a child forward. It requires any child under five to ride in a federally approved child restraint system appropriate for the child’s size, and it extends the restraint requirement through age seven for children shorter than four feet nine inches. The decision about when to switch from rear-facing to forward-facing comes from the height and weight labels on your specific car seat, which the federal safety standard referenced in the statute makes legally binding in Arizona.¹

What the Statute Requires by Age

ARS § 28-907 sets two brackets. Children under five must be properly secured in a child restraint system in any motor vehicle on Arizona highways, with no exceptions based on how tall or heavy the child is. Children ages five through seven who are under 4’9″ must also ride in a child restraint if the vehicle is a passenger vehicle designed for ten or fewer occupants (1972 model year or later). Once a child turns eight or reaches 4’9″, whichever comes first, a standard seat belt is legal.¹

The statute also requires every child restraint system to meet the federal safety performance standard at 49 CFR § 571.213. That regulation governs how seats are tested and labeled, which has a practical consequence: the weight and height ranges printed on your car seat carry legal weight. Using a seat outside its printed limits violates Arizona law even if the child’s age fits the general bracket.¹

When Your Child Is Ready to Face Forward

Because the statute itself doesn’t draw the rear-facing to forward-facing line, you take that cue from the car seat manufacturer and from federal safety guidance. NHTSA recommends keeping children rear-facing as long as possible, until they outgrow the rear-facing seat’s maximum height or weight. Once that happens, the child is ready for a forward-facing seat with a five-point harness and a top tether.²

Most rear-facing seats max out somewhere between 40 and 50 pounds, depending on the model. Many children hit that ceiling between ages two and four, though the timeline varies. The important point: don’t turn the seat forward on your child’s second or third birthday. Check the label on your rear-facing seat. If your child still fits within its height and weight limits, keeping them rear-facing is both legal and safer.

Installing a Forward-Facing Seat Correctly

A forward-facing seat should not shift more than an inch at the belt path. You anchor the base with either the vehicle’s LATCH system (Lower Anchors and Tethers for Children) or the vehicle’s seat belt, not both, unless the seat’s instructions specifically say otherwise.

The 65-Pound LATCH Limit

LATCH lower anchors have a combined weight limit of 65 pounds. That means the child’s weight plus the weight of the car seat together cannot exceed 65 pounds. Once you cross that threshold, you must switch to installing the seat with the vehicle’s seat belt. This limit comes from the vehicle manufacturers and applies to all harnessed car seats, though not to belt-positioning boosters.²

Use the Top Tether

Every forward-facing car seat has a top tether strap, and every vehicle sold in the U.S. since 2000 has a top tether anchor point. The tether prevents the top of the seat from pitching forward in a crash. Without it, a child’s head can travel an additional four to six inches forward compared to a properly tethered seat. Studies consistently find that most parents skip the tether. It takes about 30 seconds to hook.

Front Seat Placement

Arizona law doesn’t explicitly prohibit a forward-facing car seat in the front passenger seat, but safety authorities strongly discourage it because frontal airbags deploy with enough force to seriously injure a small child. If your vehicle has no rear seat and the child must ride up front, consult the owner’s manual about deactivating the passenger-side airbag.

What Comes After the Forward-Facing Harness

Keep your child in the forward-facing harness seat until they reach its maximum height or weight limit, which typically falls between 40 and 65 pounds depending on the model. After that, a belt-positioning booster helps the vehicle’s lap and shoulder belt fit correctly across the child’s body. NHTSA recommends staying in the booster until the lap belt sits snugly across the upper thighs rather than the stomach, and the shoulder belt crosses the chest and shoulder without cutting across the neck or face.³

Arizona law allows the switch to a standard seat belt once the child is eight years old or 4’9″ tall. NHTSA recommends riding in the back seat through at least age 12. Arizona law does not mandate rear-seat placement.

Exemptions From the Restraint Requirement

ARS § 28-907 lists six situations where the child restraint requirement does not apply:¹

Vehicles originally manufactured without seat belts or other passenger restraints.
Recreational vehicles as defined under Arizona law.
A driver holding a current commercial driver license operating a commercial motor vehicle.
A person transporting a child to get necessary medical care.
Authorized emergency vehicles such as ambulances transporting a child for medical care.
Overcrowded passenger areas: when a vehicle carries more children under eight than can fit in child restraints, the driver must properly restrain at least one child and secure as many others as space reasonably allows.

The statute does not include a general medical exemption for children with physical conditions. If your child has a disability or medical need that makes a standard seat impractical, talk to your pediatrician about specialized restraint systems designed for medical needs. Those still need to meet the federal performance standard referenced in the statute.

The $50 Penalty and How to Get a First Violation Dismissed

A violation of ARS § 28-907 carries a $50 civil penalty, with additional court surcharges that may be added on top of the base fine.¹

Arizona gives a clear path to get a first violation dismissed. Show the court that you have since obtained an appropriate child restraint system. The statute specifically says mailing a receipt for the purchase or acquisition of a qualifying seat to the court officer is sufficient proof. If the court accepts it, the civil penalty is not imposed.¹

Free Installation Checks

Even experienced parents get installation wrong, and studies consistently show high misuse rates for child restraint systems. Certified child passenger safety technicians will check your installation and fix problems at no charge. NHTSA maintains an inspection station locator covering the entire state,⁴ and several Phoenix-area fire stations run weekly inspection appointments by phone or online reservation.⁵ A technician can confirm that your forward-facing seat is tethered, within its rated weight range, and routed through the right belt path for your specific vehicle.

1
Arizona Legislature. Arizona Code 28-907 – Child Restraint System; Civil Penalty; Exemptions; Notice; Child Restraint Fund; Definitions
2
National Highway Traffic Safety Administration. Car Seat and Booster Seat Safety, Ratings, Guidelines
3
National Highway Traffic Safety Administration. Car Seat Recommendations for Children by Age and Size
4
National Highway Traffic Safety Administration. Find the Right Car Seat
5
City of Phoenix. Child Safety Seats