La. Stat. tit. 32 § 145
Current with operative changes from the 2024 Third Special Legislative Session
No person driving or in charge of any motor vehicle shall permit it to stand unattended without first stopping the motor, locking the ignition, removing the key, and effectively setting the brake thereon, and, when standing upon any grade, turning the front wheels to the curb or side of the highway.
La. R.S. § 32:145