Abstract: In some embodiments, a computer system applies a time of day setting to a virtual environment. In some embodiments, the time of day setting is updated based on an event. In some embodiments, a computer system displays content in an expanded display mode. In some embodiments, computer systems join a communication session while maintaining display of respective environments. In some embodiments, a computer system moves a portal based on user movement. In some embodiments, computer systems share a virtual environment. Computer systems can display media with simulated lighting. Computer systems can share an environment. In some embodiments, a computer system selects a position relative to content. A computer system can present representations of communication session participants based on content. A computer system can present user interfaces to control visual appearances of an environment including media. Computer systems can change an appearance of an environment based on environmental modes.

Abstract: A vehicle security harness system for alerting a user when an intruder opens a door of a vehicle, such as a semi-tractor, by causing an air horn of the vehicle to sound when a door of the vehicle is opened. The vehicle security harness system includes a center ring with a pair of door straps and a cable strap coupled thereto and outwardly extending therefrom. The ends of the door straps and the cable strap opposite the center ring each have a fastener coupled thereto.