# § 32304B. Child safety
**(a)** **Definitions.—** In this section:
**(1)** **Passenger motor vehicle.—** The term “passenger motor vehicle” has the meaning given that term in section 32101.
**(2)** **Rear-designated seating position.—** The term “rear-designated seating position” means designated seating positions that are rearward of the front seat.
**(3)** **Secretary.—** The term “Secretary” means the Secretary of Transportation.
**(b)** **Rulemaking.—** Not later than 2 years after the date of enactment of this section, the Secretary shall issue a final rule requiring all new passenger motor vehicles weighing less than 10,000 pounds gross vehicle weight to be equipped with a system to alert the operator to check rear-designated seating positions after the vehicle engine or motor is deactivated by the operator.
**(c)** **Means.—** The alert required under subsection (b)—
**(1)** shall include a distinct auditory and visual alert, which may be combined with a haptic alert; and
**(2)** shall be activated when the vehicle motor is deactivated by the operator.
**(d)** **Phase-in.—** The rule issued pursuant to subsection (b) shall require full compliance with the rule beginning on September 1st of the first calendar year that begins 2 years after the date on which the final rule is issued.
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**Source Credit**: (Added Pub. L. 117–58, div. B, title IV, § 24222(a)(1), Nov. 15, 2021, 135 Stat. 835.)
## Editorial Notes
### References in Text
The date of enactment of this section, referred to in subsec. (b), is the date of enactment of , which was approved .