Which color must sun screening devices avoid?

Sun screening devices, such as window tinting, are regulated to ensure they do not interfere with vehicle safety and visibility. One of the rules is that these devices must avoid the color red. The reason behind this regulation is primarily related to traffic safety; red is universally recognized as a color that signals caution and alerts drivers to stop or yield. If sun screening devices use red, they could be confused with brake lights or emergency vehicles, leading to potential safety hazards on the road.

In contrast, colors like green, yellow, and black do not carry the same urgency or caution in traffic signaling, making them more acceptable for use in sun screening devices. The goal of these regulations is to enhance safety and maintain clear communication on the roads. By restricting the use of the color red, regulations aim to minimize risks and ensure that drivers can easily distinguish between different signals and conditions while driving.